POTOMAC FUNDS
485APOS, 1999-09-03
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    As filed with the Securities and Exchange Commission on September 3, 1999

                                                     1933 Act File No. 333-28697
                                                      1940 Act File No. 811-8243

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

       REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933             [ X ]
            Pre-Effective Amendment No.          ---                       [   ]
            Post-Effective Amendment No.          4                        [ X ]
                                                 ---

                                     and/or

      REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940      [ X ]
            Amendment No.                          5
                                                  ---

                        (Check appropriate box or boxes.)

                                  POTOMAC FUNDS
               (Exact name of Registrant as Specified in Charter)

                             1311 Mamaroneck Avenue
                          White Plains, New York 10605
               (Address of Principal Executive Office) (Zip Code)

       Registrant's Telephone Number, including Area Code: (914) 381-2080

                               Thomas A. Mulrooney
                             1311 Mamaroneck Avenue
                          White Plains, New York 10605
                     (Name and Address of Agent for Service)

                                    Copy to:
                              Robert J. Zutz, Esq.
                           Kirkpatrick & Lockhart LLP
                         1800 Massachusetts Avenue, N.W.
                             Washington, D.C. 20036

         Approximate Date of Proposed Public Offering November 17, 1999
                                                      -----------------

It is proposed that this filing will become effective (check appropriate box)

          [   ]   immediately upon filing pursuant to paragraph (b)
          [   ]   on (date) pursuant to paragraph (b)
          [   ]   60 days after filing pursuant to paragraph (a)(1)
          [   ]   on (date) pursuant to paragraph (a)(1)
          [ x ]   75 days after filing pursuant to paragraph (a)(2)
          [   ]   on (date) pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:
          [   ]   This post-effective amendment designates a new effective date
                  for a previously filed post-effective amendment.


<PAGE>


                                THE POTOMAC FUNDS


                       CONTENTS OF REGISTRATION STATEMENT


This registration document is comprised of the following:

                  Cover Sheet

                  Contents of Registration Statement

                  Prospectus for the Potomac Funds

                  Statement of Additional Information for the Potomac Funds

                  Part C of Form N-1A

                  Signature Page

                  Exhibits


<PAGE>

                                   PROSPECTUS
                                NOVEMBER __, 1999

                                 POTOMAC FUNDS
                                     [LOGO]



                             100 South Royal Street
                           Alexandria, Virginia 22314

                             1311 Mamaroneck Avenue
                          White Plains, New York 10605

                                 (800) 851-0511




          --------------------------------------------------------------

                  PLUS FUNDS                     SHORT FUNDS
          --------------------------------------------------------------
            Potomac U.S. Plus Fund         Potomac U.S./Short Fund
            Potomac OTC Plus Fund          Potomac OTC/Short Fund
            Potomac Dow Plus Fund          Potomac Dow/Short Fund
            Potomac Small Cap Plus Fund    Potomac Small Cap/Short Fund
            Potomac Internet Plus Fund     Potomac Internet/Short Fund
            Potomac Japan Plus Fund        Potomac Japan/Short Fund
          --------------------------------------------------------------

                          -------------------------------

                                MONEY MARKET FUNDS
                          -------------------------------
                             Potomac U.S. Government
                                Money Market Fund
                          -------------------------------




 LIKE SHARES OF ALL MUTUAL  FUNDS,  THESE  SECURITIES  HAVE NOT BEEN APPROVED OR
   DISAPPROVED BY THE SECURITIES AND EXCHANGE  COMMISSION NOR HAS THE SECURITIES
         AND EXCHANGE COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF
   THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

<PAGE>



                                TABLE OF CONTENTS

OVERVIEW OF THE POTOMAC FUNDS................................................1

THE POTOMAC FUNDS............................................................2
  Potomac U.S. Funds.........................................................2
  Potomac OTC Funds..........................................................3
  Potomac Dow Funds..........................................................3
  Potomac Small Cap Funds....................................................4
  Potomac Internet Funds.....................................................5
  Potomac Japan Funds........................................................6
  Investment Techniques and Policies.........................................7
  Risk Factors...............................................................8
  Potomac U.S. Government Money Market Fund.................................10
  Performance of the Potomac Funds..........................................11
  Fees and Expenses of the Potomac Funds....................................12

ABOUT YOUR INVESTMENT.......................................................18
  Share Prices of the Potomac Funds.........................................18
  Classes of Shares.........................................................18
  Rule 12b-1 Fees...........................................................20
  How to Invest in the Potomac Funds........................................20
  How to Exchange Shares of the Potomac Funds...............................22
  How to Sell Shares of the Potomac Funds...................................22
  Account and Transaction Policies..........................................23

ADDITIONAL INFORMATION......................................................24
  Management of the Funds...................................................24
  Distributions and Taxes...................................................25
  Year 2000.................................................................26
  Master/Feeder Structure Option............................................26
  Financial Highlights......................................................27

MORE INFORMATION ON THE POTOMAC FUNDS...............................Back Cover







                                                                               2
<PAGE>



                          OVERVIEW OF THE POTOMAC FUNDS

The Potomac Funds consist  primarily of pairs of funds. Each pair is designed to
provide a return that  correlates to the return  provided by a particular  index
and consists of one "plus" fund and one "short"  fund.  The "plus" fund attempts
to provide  investment  results that  correlate to its target  index,  while the
"short"  fund  attempts to provide  investment  results that are opposite of the
return of its target index.

Unlike  traditional  index  funds,  however,  each "plus"  fund  (except for the
Potomac  U.S.  Plus Fund) seeks to provide a return that is equal to 125% of the
return of a specific  stock market  index.  The Potomac U.S.  Plus Fund seeks to
provide a return that is equal to 150% of the return of a specific  stock market
index.

As an example, the Potomac Dow Plus Fund and the Potomac Dow/Short Fund each are
targeted to the Dow Jones  Industrial  Average.  If, for a given period of time,
the Dow gains 20%,  the  Potomac Dow Plus Fund  should  gain  approximately  25%
(which is equal to 125% of 20%),  while the Potomac  Dow/Short  Fund should lose
20%. Conversely, if the Dow loses 10%, the Potomac Dow/Short Fund is designed to
gain 10%, while the Potomac Dow Plus Fund should lose 12.5%.

To achieve these results, the Potomac Funds use aggressive investment techniques
such as engaging in futures and options  transactions.  As a result, the Potomac
Funds are designed principally for experienced investors who intend to follow an
asset allocation strategy.  The Potomac Funds are not designed for inexperienced
or less sophisticated investors.



<PAGE>


                                THE POTOMAC FUNDS

- --------------------------------------------------------------------------------
POTOMAC U.S. FUNDS
- --------------------------------------------------------------------------------

OBJECTIVES:

   The  POTOMAC  U.S.  PLUS  FUND  seeks  to  provide  investment  returns  that
   correspond to 150% of the  performance of the Standard & Poor's 500 Composite
   Stock Price  Index(TRADEMARK) (S&P 500 Index). If it is successful in meeting
   its objective,  the net asset value of U.S. Plus Fund shares should  increase
   approximately  one and a half as much as the S&P 500 Index when the aggregate
   prices of the securities in that index rise on a given day.  Conversely,  the
   net asset value of shares of the U.S. Plus Fund should decrease approximately
   one and a half as much when the aggregate prices of the securities in the S&P
   500 Index decline on that day.

   The  POTOMAC  U.S./SHORT  FUND  seeks  to  provide  investment  returns  that
   inversely  correspond  (opposite) to the performance of the S&P 500 Index. If
   it is successful in meeting its objective,  the net asset value of U.S./Short
   Fund shares should increase in direct proportion to any decrease in the level
   of the S&P 500  Index.  Conversely,  the net  asset  value of  shares  in the
   U.S./Short Fund should  decrease in direct  proportion to any increase in the
   level of the S&P 500 Index.

CORE INVESTMENTS:

   Unlike traditional index funds, the Potomac U.S. Funds do not invest directly
   in the securities of the companies that comprise the S&P 500 Index to attempt
   to achieve their objectives. Rather, the POTOMAC U.S. PLUS FUND significantly
   invests  in  Standard  &  Poor's  Depositary  Receipts  (SPDRs),   which  are
   publicly-traded  index  securities.  This  allows  the  Fund to  invest  in a
   portfolio of securities  consisting of all of the component  common stocks of
   the S&P 500 Index.  The Fund also enters into long  positions  in stock index
   futures  contracts,  options on stock index futures  contracts and options on
   securities and on stock indices to produce economically  leveraged investment
   results.  The POTOMAC  U.S./SHORT  FUND enters into short  positions in stock
   index futures contracts, options on stock index futures contracts and options
   on securities and on stock  indices.  On a day-to-day  basis,  the Funds hold
   U.S.  Government  securities  to  collateralize  these  futures  and  options
   contracts. The Funds also enter into repurchase agreements.

TARGET INDEX:

   The STANDARD & POOR'S 500 COMPOSITE STOCK PRICE INDEX((TRADEMARK)) is a
   capitalization-weighted  index  composed  of 500  common  stocks.  Standard &
   Poor's  selects the 500 stocks  comprising  the S&P 500 Index on the basis of
   market values and industry diversification. Most of the stocks in the S&P 500
   Index are  issued by the 500  largest  companies,  in terms of the  aggregate
   market value of their outstanding  stock, and generally are listed on the New
   York Stock  Exchange.  Standard  & Poor's is not a sponsor  of, or in any way
   affiliated with, the Potomac Funds.




                                                                               2
<PAGE>

- --------------------------------------------------------------------------------
POTOMAC OTC FUNDS
- --------------------------------------------------------------------------------


OBJECTIVES:

   The POTOMAC OTC PLUS FUND seeks to provide investment returns that correspond
   to 125% of the  performance  of the Nasdaq 100  Index(TRADEMARK)  (Nasdaq 100
   Index). If it is successful in meeting its objective,  the net asset value of
   OTC Plus Fund shares should increase  approximately one and a quarter as much
   as the Nasdaq 100 Index when the aggregate  prices of the  securities in that
   index rise on a given day.  Conversely,  the net asset value of shares of the
   OTC Plus Fund should  decrease  approximately  one and a quarter as much when
   the aggregate  prices of the  securities in the Nasdaq 100 Index decline on a
   given day.

   The POTOMAC OTC/SHORT FUND seeks to provide investment returns that inversely
   correspond  (opposite) to the  performance of the Nasdaq 100 Index.  If it is
   successful in meeting its  objective,  the net asset value of OTC/Short  Fund
   shares should  increase in direct  proportion to any decrease in the level of
   the  Nasdaq  100  Index.  Conversely,  the net  asset  value of shares in the
   OTC/Short  Fund should  decrease in direct  proportion to any increase in the
   level of the Nasdaq 100 Index.

CORE INVESTMENTS:

   In attempting to achieve their  objectives,  the Potomac OTC Funds  primarily
   invest  directly in the  securities of the companies that comprise the Nasdaq
   100 Index.  In addition,  POTOMAC OTC PLUS FUND enters into long positions in
   stock index futures  contracts,  options on stock index futures contracts and
   options on securities and on stock indices to produce economically  leveraged
   investment  results.  The  POTOMAC  OTC/SHORT  FUND also  enters  into  short
   positions in stock index  futures  contracts,  options on stock index futures
   contracts and options on  securities  and on stock  indices.  On a day-to-day
   basis,  the Funds hold U.S.  Government  securities  to  collateralize  these
   futures  and  options  contracts.   The  Funds  also  enter  into  repurchase
   agreements.

TARGET INDEX:

   The NASDAQ 100 INDEX (TRADEMARK) is a  capitalization-weighted index composed
   of 100 of the largest non-financial domestic companies listed on the National
   Market tier of The Nasdaq Stock  Market.  All  companies  listed on the index
   have a minimum  market  capitalization  of $500 million and an average  daily
   trading volume of at least 100,000  shares.  The Nasdaq 100 Index was created
   in 1985.


- --------------------------------------------------------------------------------
POTOMAC DOW FUNDS
- --------------------------------------------------------------------------------


OBJECTIVES:

   The POTOMAC DOW PLUS FUND seeks daily  investment  results that correspond to
   125% of the performance of the Dow Jones  Industrial  Average (Dow). If it is
   successful  in meeting  its  objective,  the net asset value of Dow Plus Fund
   shares  should  increase  approximately  one and a quarter as much as the Dow
   when the aggregate  prices of the securities  that comprise the Dow rise on a
   given  day.  Conversely,  the net asset  value of shares of the Dow Plus Fund



                                                                               3
<PAGE>

   should  decrease  approximately  one and a quarter as much when the aggregate
   prices of the securities comprising the Dow decline on that day.

   The POTOMAC DOW/SHORT FUND seeks to provide investment returns that inversely
   correspond  (opposite) to the  performance of the Dow. If it is successful in
   meeting its  objective,  the net asset value of Dow/Short  Fund shares should
   increase  in  direct  proportion  to any  decrease  in the  level of the Dow.
   Conversely,  the net  asset  value of  shares in the  Dow/Short  Fund  should
   decrease in direct proportion to any increase in the level of the Dow.

   The Potomac Dow Funds' investment objectives are not fundamental policies and
   may be changed by the Potomac  Funds' Board of Trustees  without  shareholder
   approval.

CORE INVESTMENTS:

   In attempting to achieve their  objectives,  the Potomac Dow Funds  primarily
   invest  directly in the securities of the companies that comprise the Dow. In
   addition,  POTOMAC DOW PLUS FUND enters  into long  positions  in stock index
   futures  contracts,  options on stock index futures  contracts and options on
   securities and on stock indices to produce economically  leveraged investment
   results.  The Fund also may  invest in  DIAMONDS,  which are  publicly-traded
   index securities. This allows the Fund to invest in a portfolio of securities
   consisting  of all of the  component  common  stocks of the Dow.  The POTOMAC
   DOW/SHORT  FUND also  enters  into short  positions  in stock  index  futures
   contracts, options on stock index futures contracts and options on securities
   and on stock indices.  On a day-to-day basis, the Funds hold U.S.  Government
   securities to collateralize  these futures and options  contracts.  The Funds
   also enter into repurchase agreements.

TARGET INDEX:

   The DOW JONES INDUSTRIAL AVERAGE(TRADEMARK) consists of 30 of the most widely
   held and actively  traded stocks listed on the New York Stock  Exchange.  The
   stocks in the Dow represent  companies  that  typically are dominant firms in
   their respective industries.


- --------------------------------------------------------------------------------
POTOMAC SMALL CAP FUNDS
- --------------------------------------------------------------------------------


OBJECTIVES:

   The  POTOMAC  SMALL CAP PLUS FUND seeks to provide  investment  returns  that
   correspond to 125% of the performance of the Russell  2000(REGISTERED)  Index
   (Russell 2000 Index).  If it is successful in meeting its objective,  the net
   asset value of Small Cap Plus Fund shares should increase  approximately  one
   and a quarter as much as the Russell 2000 Index when the aggregate  prices of
   the securities in that index rise on a given day.  Conversely,  the net asset
   value of shares of the Small Cap Plus Fund should decrease  approximately one
   and a quarter  as much when the  aggregate  prices of the  securities  in the
   Russell 200 Index decline on that day.

   The POTOMAC SMALL  CAP/SHORT  FUND seeks to provide  investment  returns that
   inversely correspond (opposite) to the performance of the Russell 2000 Index.
   If it is  successful in meeting its  objective,  the net asset value of Small
   Cap/Short Fund shares should increase in direct proportion to any decrease in


                                                                               4
<PAGE>

   the level of the  Russell  2000  Index.  Conversely,  the net asset  value of
   shares in the Small  Cap/Short Fund should  decrease in direct  proportion to
   any increase in the level of the Russell 2000 Index.

   The  Potomac  Small Cap  Funds'  investment  objectives  are not  fundamental
   policies and may be changed by the Potomac  Funds' Board of Trustees  without
   shareholder approval.

CORE INVESTMENTS:

   In  attempting  to achieve  their  objectives,  the  Potomac  Small Cap Funds
   primarily  invest  directly in the  securities of the companies that comprise
   the Russell 2000 Index. In addition,  POTOMAC SMALL CAP PLUS FUND enters into
   long  positions  in stock  index  futures  contracts,  options on stock index
   futures  contracts and options on securities  and on stock indices to produce
   economically  leveraged  investment results. The POTOMAC SMALL CAP/SHORT FUND
   also enters into short positions in stock index futures contracts, options on
   stock index futures contracts and options on securities and on stock indices.
   On  a  day-to-day  basis,  the  Funds  hold  U.S.  Government  securities  to
   collateralize these futures and options contracts.  The Funds also enter into
   repurchase agreements.

TARGET INDEX:

   The  RUSSELL  2000(REGISTERED)  INDEX  is  comprised  of  the  smallest  2000
   companies in the Russell 3000 Index.  As of May 31, 1999,  the average market
   capitalization   of  the   companies   included  in  the  Russell   2000  was
   approximately  $526.4 million.  That compares to $4.4 billion for the Russell
   3000. The smallest 2000  companies  represent  approximately  8% of the total
   market capitalization of the Russell 3000.


- --------------------------------------------------------------------------------
POTOMAC INTERNET FUNDS
- --------------------------------------------------------------------------------


OBJECTIVES:

   The POTOMAC INTERNET PLUS FUND seeks daily investment results that correspond
   to 125% of the performance of the  Inter@ctive  Week Internet Index (Internet
   Index). If it is successful in meeting its objective,  the net asset value of
   Internet Plus Fund shares should increase  approximately one and a quarter as
   much as the Internet  Index when the  aggregate  prices of the  securities in
   that index rise on a given day. Conversely,  the net asset value of shares of
   the Internet  Plus Fund should  decrease  approximately  one and a quarter as
   much when aggregate prices of the securities in the Internet Index decline on
   that day.



                                                                               5
<PAGE>

   The POTOMAC  INTERNET/SHORT  FUND seeks to provide  investment  returns  that
   inversely correspond  (opposite) to the performance of the Internet Index. If
   it  is  successful  in  meeting  its  objective,   the  net  asset  value  of
   Internet/Short  Fund  shares  should  increase  in direct  proportion  to any
   decrease in the level of the Internet Index. Conversely,  the net asset value
   of shares in the Internet/Short  Fund should decrease in direct proportion to
   any increase in the level of the Internet Index.

   The  Potomac  Internet  Funds'  investment  objectives  are  not  fundamental
   policies and may be changed by the Potomac  Funds' Board of Trustees  without
   shareholder approval.

CORE INVESTMENTS:

   In  attempting  to achieve  their  objectives,  the  Potomac  Internet  Funds
   primarily  invest  directly in the  securities of the companies that comprise
   the Internet Index. In addition,  POTOMAC INTERNET PLUS FUND enters into long
   positions in stock index  futures  contracts,  options on stock index futures
   contracts  and  options  on  securities  and  on  stock  indices  to  produce
   economically  leveraged investment results.  The POTOMAC  INTERNET/SHORT FUND
   also enters into short positions in stock index futures contracts, options on
   stock index futures contracts and options on securities and on stock indices.
   On  a  day-to-day  basis,  the  Funds  hold  U.S.  Government  securities  to
   collateralize these futures and options contracts.  The Funds also enter into
   repurchase agreements.

TARGET INDEX:

   The    INTER@CTIVE    WEEK    INTERNET    INDEX   is   a   modified    market
   capitalization-weighted   index  designed  to  measure  a  cross  section  of
   companies   involved  in  providing   Internet   infrastructure  and  access,
   developing  and  marketing  Internet  content and  software,  and  conducting
   business over the Internet.  The Internet Index was developed by the American
   Stock  Exchange  and  Inter@ctive  Week,  a  weekly  magazine   published  by
   Interactive Enterprises, L.L.C.


- --------------------------------------------------------------------------------
POTOMAC JAPAN FUNDS
- --------------------------------------------------------------------------------


OBJECTIVES:

   The  POTOMAC  JAPAN  PLUS  FUND  seeks to  provide  investment  returns  that
   correspond to 125% of the performance of the Nikkei 225 Stock Average (Nikkei
   Index). If it is successful in meeting its objective,  the net asset value of
   Japan Plus Fund shares  should  increase  approximately  one and a quarter as
   much as the Nikkei Index when the aggregate  prices of the securities in that
   index rise on a given day.  Conversely,  the net asset value of shares of the
   Japan Plus Fund should decrease  approximately one and a quarter as much when
   the  aggregate  prices of the  securities in the Nikkei Index decline on that
   day.

   The  POTOMAC  JAPAN/SHORT  FUND  seeks to  provide  investment  returns  that
   inversely correspond (opposite) to the performance of the Nikkei Index. If it
   is successful in meeting its  objective,  the net asset value of  Japan/Short
   Fund shares should increase in direct proportion to any decrease in the level
   of the  Nikkei  Index.  Conversely,  the net  asset  value of  shares  in the


                                       6
<PAGE>

   Japan/Short Fund should decrease in direct  proportion to any increase in the
   level of the Nikkei Index.

   The Potomac Japan Funds' investment  objectives are not fundamental  policies
   and  may  be  changed  by  the  Potomac  Funds'  Board  of  Trustees  without
   shareholder approval.

CORE INVESTMENTS:

   In attempting to achieve their  objectives,  the Potomac Japan Funds will not
   invest  directly in the  securities of the companies that comprise the Nikkei
   225 Index.  Rather,  the  Potomac  Japan  Funds  intend to invest in American
   Depositary   Receipts  of  such  companies  and  other  securities  that  the
   investment  adviser  believes  would provide a return that  approximates  the
   Nikkei  Index.  The  Potomac  Japan Funds also will enter into long and short
   positions,  respectively,  in stock index futures contracts, options on stock
   index futures contracts and options on securities and on stock indices.  On a
   day-to-day  basis,  the Funds intend to hold U.S.  Government  securities  to
   collateralize  these futures and options  contracts.  In addition,  the Funds
   will enter into repurchase agreements.

TARGET INDEX:

   The NIKKEI 225 INDEX is a  price-weighted  index of the 225 largest  Japanese
   companies listed on the Tokyo Stock Exchange.  The Nikkei 225 Index was first
   published  in 1949 and is  generally  considered  as a proxy for the Japanese
   large-capitalization equity market.


- --------------------------------------------------------------------------------
INVESTMENT TECHNIQUES AND POLICIES
- --------------------------------------------------------------------------------


Rafferty  Asset  Management,  LLC  (Rafferty),  the  investment  advisor to each
Potomac Fund,  uses a number of investment  techniques in an effort to correlate
each  Potomac  Fund's  return with the return of its  respective  target  index.
Rafferty  generally does not use fundamental  securities  analysis to accomplish
such correlation.  Rather,  Rafferty primarily uses statistical and quantitative
analysis to determine the investments  each Potomac Fund makes and techniques it
employs.  As a consequence,  if a Fund is performing as designed,  the return of
the target index will dictate the return for the Fund.

Each  Potomac  Plus Fund  invests  significantly  in futures  contracts on stock
indexes,  options on futures contracts and financial instruments such as options
on  securities  and  stock  indexes  options.   Rafferty  uses  these  types  of
investments to produce economically  "leveraged" investment results.  Leveraging
allows Rafferty to generate a return that is larger than what would be generated
on the invested capital without  leverage,  thus changing small market movements
into larger changes in the value of the investments of a Plus Fund.

While  Rafferty  attempts  to minimize  any  "tracking  error" (the  statistical
measure of the  difference  between the  investment  results of the Fund and the
performance  of its  benchmark),  certain  factors  will  tend to cause a Fund's
investment  results  to vary from a perfect  correlation  to its  target  index.
Rafferty, however, does not expect that each Fund's total returns will vary from
its current target index by more than 10% over a twelve-month period.



                                                                               7
<PAGE>

It is the  policy  of each  Potomac  Fund to  pursue  its  investment  objective
regardless of market conditions,  to remain substantially fully invested and not
to take  defensive  positions.  A Fund will not  adopt  defensive  positions  by
investing in cash or other instruments in anticipation of an adverse climate for
its target index. However, because of the difficulty in tracking a Fund's target
index with a small  amount of net assets,  Rafferty may invest the assets of the
Potomac Dow Funds,  the Potomac Small Cap/Short Fund, the Potomac Internet Funds
and the Potomac Japan Funds in short-term U.S. Government securities until those
Funds' net assets  each reach $10  million or a level at which a Fund can invest
in a portfolio designed to achieve its objective.  As a result,  those Funds may
not achieve their investment objectives during this period.


- --------------------------------------------------------------------------------
RISK FACTORS
- --------------------------------------------------------------------------------


An investment in the Funds entails risks.  The Funds could lose money,  or their
performance could trail that of other investment  alternatives.  Rafferty cannot
guarantee  that any of the Funds will achieve its  objective.  In addition,  the
Funds present some risks not traditionally associated with most mutual funds. It
is important  that investors  closely  review and understand  these risks before
making an investment in the Funds. These and other risks are described below.

RISKS OF INVESTING IN EQUITY SECURITIES AND DERIVATIVES:

   The Funds may invest in publicly issued equity  securities,  including common
   stocks,  as well as  instruments  that attempt to track the price movement of
   stock indices.  Investments  in common stocks and  derivatives in general are
   subject to market risks that may cause their  prices to fluctuate  over time.
   Fluctuations  in the value of common  stocks in which the Funds  invest  will
   cause the net asset value of the Funds to fluctuate.

RISKS OF AGGRESSIVE INVESTMENT TECHNIQUES:

   The Funds use investment techniques that may be considered aggressive.  Risks
   associated  with the use of futures  contracts,  and  options on  securities,
   securities  indices,  and on futures contracts include  potentially  dramatic
   price  changes  (losses)  in the  value  of  the  instruments  and  imperfect
   correlations between the price of the contract and the underlying security or
   index.  These  instruments  may increase the  volatility of the Funds and may
   involve a small  investment  of cash  relative to the  magnitude  of the risk
   assumed.  Investors  should be aware that while  index  futures  and  options
   contracts  closely  correlate with the applicable  indices over long periods,
   shorter-term  deviations occur. As a result, a Fund's short-term  performance
   will reflect such deviation from its benchmark.

LEVERAGE RISK:

   Each  Potomac  Plus Fund  employs  leveraged  investment  techniques.  Use of
   leverage  can magnify the effects of changes in the value of these Plus Funds
   and makes them more volatile.  The leveraged investment techniques that these
   Funds  employ  should  cause  investors  in these Funds to lose more money in
   adverse environments.



                                                                               8
<PAGE>

INVERSE CORRELATION RISK:

   Each  Potomac  Short Fund is  negatively  correlated  to its target index and
   should lose money when its target index rises - a result that is the opposite
   from traditional equity mutual funds.

RISK OF POOR TRACKING:

   While  Rafferty  does not  expect  that the  return of any of the Funds  will
   deviate  adversely from its respective  benchmarks by more than 10%,  several
   factors may affect a Fund's ability to achieve its target.  As a consequence,
   there can be no  guarantee  that the Funds will be able to achieve this level
   of correlation. A failure to achieve a high degree of correlation may prevent
   a Fund from achieving its investment goal.

RISK OF TRADING HALTS:

   In certain circumstances,  an exchange may halt trading in securities held by
   a Fund. If such trading halts are instituted at the close of a trading day, a
   Fund  will  not be able to  execute  purchase  or sales  transactions  in the
   specific option or futures contracts affected.  In such an event, a Fund also
   may be unable to accurately  price its  outstanding  contracts.  If a Fund is
   affected  by such a halt,  it may reject  investors'  orders  for  purchases,
   redemptions, or exchanges received earlier during the business day.

RISK OF EARLY CLOSING:

   The normal  close of trading of  securities  listed on the Nasdaq and NYSE is
   4:00 p.m.  Eastern time.  Unanticipated  early  closings may result in a Fund
   being  unable to sell or buy  securities  on that day. If an exchange  closes
   early on a day when one or more of the Funds  needs to execute a high  volume
   of securities  trades late in the trading day a Fund might incur  substantial
   trading losses.

HIGH PORTFOLIO TURNOVER:

   Rafferty  expects a significant  portion of the Potomac Funds' assets to come
   from  professional  money managers and investors who use the Funds as part of
   "asset   allocation"  and  "market  timing"  investment   strategies.   These
   strategies  often call for frequent  trading to take advantage of anticipated
   changes in market conditions. Frequent trading could increase the rate of the
   Funds' portfolio  turnover,  forcing realization of substantial capital gains
   and losses and increasing  transaction expenses. In addition,  while Rafferty
   does not expect it,  large  movements of assets into and out of the Funds may
   negatively  impact their abilities to achieve their investment  objectives or
   their level of operating expenses.

RISK OF NON-DIVERSIFICATION:

   The Funds  (except the Money  Market Fund) are  non-diversified,  which means
   that they may invest a high  percentage of its assets in a limited  number of
   securities. Since the Funds' are non-diversified,  their net asset values and
   total returns may fluctuate  more or fall greater in times of weaker  markets
   than a diversified mutual fund.



                                                                               9
<PAGE>

RISKS OF INVESTING IN INTERNET COMPANIES:

   The Potomac  Internet  Funds  concentrate  their  investments in the Internet
   companies.  In addition,  the OTC Funds may invest a  substantial  portion of
   their assets in Internet companies listed on the Nasdaq 100 Index. The market
   prices of Internet-related  stocks tend to exhibit a greater degree of market
   risk and sharp  price  fluctuations  than other types of  investments.  These
   stocks may fall in- and out-of-favor with investors rapidly,  which may cause
   sudden selling and dramatically lower market prices. Internet stocks also may
   be  affected  adversely  by  changes in  technology,  consumer  and  business
   purchasing  patterns,  government  regulation  and/or  obsolete  products  or
   services. In addition, a rising interest rate environment tends to negatively
   affect  Internet  companies.  Those  Internet  companies  having  high market
   valuations  may appear less  attractive to  investors,  which may cause sharp
   decreases in the companies' market prices.  Further, those Internet companies
   seeking to finance their  expansion  would have  increased  borrowing  costs,
   which may negatively  impact their earnings.  As a result,  these factors may
   negatively  affect the  performance  of the Internet Index and the Nasdaq 100
   Index.

RISKS OF INVESTING IN SMALL CAPITALIZATION COMPANIES:

   Investing  in the  securities  of  small  capitalization  companies  involves
   greater risks and the possibility of greater price  volatility than investing
   in  larger  capitalization  and more  established  companies,  since  smaller
   companies may have limited  operating  history,  product lines, and financial
   resources,  and the securities of these companies may lack sufficient  market
   liquidity.  Any of these factors may negatively impact the performance of the
   Russell 2000 Index.

RISKS OF INVESTING IN JAPANESE COMPANIES:

   The  Potomac  Japan Funds may invest  without  limit  indirectly  in Japanese
   securities through ADRs.  Investments in Japanese  securities involve greater
   risks than investing in domestic  securities.  As result,  the Funds' returns
   and net  asset  values  may be  affected  to a  large  degree  by  political,
   diplomatic  or economic  conditions  and  regulatory  requirements  in Japan.
   Japanese laws and accounting,  auditing,  and financial  reporting  standards
   typically  are not as strict  as they are in the U.S.,  and there may be less
   public information available about foreign companies.


- --------------------------------------------------------------------------------
POTOMAC U.S. GOVERNMENT MONEY MARKET FUND
- --------------------------------------------------------------------------------


OBJECTIVES:

   The POTOMAC U.S.  GOVERNMENT  MONEY MARKET FUND seeks to provide  security of
   principal, current income and liquidity.

CORE INVESTMENTS:

   The  POTOMAC  U.S.  GOVERNMENT  MONEY  MARKET  FUND  seeks to  achieve  these
   objectives by investing in high quality, U.S.  dollar-denominated  short-term
   obligations  that have been  determined  by the Trustees or by  Rafferty,  to
   present  minimal  credit risk.  The Fund invests  exclusively  in obligations
   issued   or   guaranteed   by  the   U.S.   Government,   its   agencies   or


                                                                              10
<PAGE>

   instrumentalities  and repurchase agreements that are fully collateralized by
   such obligations.

INVESTMENT TECHNIQUES AND POLICIES:

   In order to maintain a stable  share  price,  the Fund  maintains  an average
   dollar-weighted maturity of 90 days or less. Securities purchased by the Fund
   generally have remaining maturities of 397 days or less, although instruments
   subject to  repurchase  agreements  may bear  longer  final  maturities.  The
   average dollar-weighted maturity of the Fund will not exceed 90 days.

RISK FACTORS:

o     The yield paid by the Fund is subject to changes in interest  rates.  As a
      result,  there is risk that a decline in short-term  interest  rates would
      lower its yield and the overall return on your investment.

o     Although the Fund seeks to preserve the value of your  investment at $1.00
      per share, it is possible to lose money by investing in the Fund.

o     Your  investment  in the Fund is not insured or  guaranteed by the Federal
      Deposit Insurance Corporation or any other government institution.


- --------------------------------------------------------------------------------
PERFORMANCE OF THE POTOMAC FUNDS
- --------------------------------------------------------------------------------


The bar charts and the tables below  illustrate the annual  performance  for the
Investor  Class shares of the U.S. Plus Fund,  U.S./Short  Fund,  OTC Plus Fund,
OTC/Short  Fund and the U.S.  Government  Money Market Fund for the period ended
December 31, 1998.  The tables below provide some  indication of the risks of an
investment in these Funds by comparing their performance with a broad measure of
market  performance  and by  illustrating  their  highest  and lowest  quarterly
returns during the calendar year 1998. Because this information is based on past
performance, it's not a guarantee of future results.

                               [insert bar chart]


- -----------

*  The total return from January 1, 1999 to September 30, 1999 for the U.S. Plus
   Fund, the U.S./Short Fund, the OTC Plus Fund, the OTC/Short Fund and the U.S.
   Government  Money Market Fund was _____%,  _____%,  _______%,  ________%  and
   ______%, respectively.

During the calendar year 1998,  the highest and lowest return of the Funds for a
quarter during the period of the bar chart was as follows:

- ------------------------------------------------------------------------------

FUND (INVESTOR CLASS)  HIGHEST QUARTERLY RETURN (%)  LOWEST QUARTERLY RETURN (%)

- ------------------------------------------------------------------------------
U.S. Plus Fund                   _______                    _______
U.S./Short Fund                  _______                    _______


                                                                              11
<PAGE>

OTC Plus Fund                    _______                    _______
OTC/Short Fund                   _______                    _______
U.S. Government                  _______                    _______
  Money Market Fund
- ------------------------------------------------------------------------------

The table below shows what the Funds'  average  annual total returns would equal
if you average out actual performance over various lengths of time.

AVERAGE ANNUAL RETURNS (for the periods ended December 31, 1998):

   -----------------------------------------------------------------------------

     FUND (INVESTOR CLASS)        ONE YEAR     SINCE INCEPTION  INCEPTION DATES
   -----------------------------------------------------------------------------
   U.S. Plus Fund                  ____%            ____%
   U.S./Short Fund                 ____%            ____%
   S&P 500 Index*                  ____%            ____%
   OTC Plus Fund                   ____%            ____%
   OTC/Short Fund                  ____%            ____%
   Nasdaq 100 Index**              ____%            ____%
   U.S. Government                 ____%            ____%
      Money Market Fund
   -----------------------------------------------------------------------------

   *   The S&P 500 is an  unmanaged  index of 500 U.S. stocks  and gives a broad
       look at how stock prices have performed.
   **  The Nasdaq  100 is an  unmanaged  index  composed  of 100 of the  largest
       non-financial  domestic companies with a minimum market capitalization of
       $500  million and an average  daily  trading  volume of at least  100,000
       shares.


- --------------------------------------------------------------------------------
FEES AND EXPENSES OF THE POTOMAC FUNDS
- --------------------------------------------------------------------------------


The tables below  describe the fees and expenses that you may pay if you buy and
hold shares of the Funds.

SHAREHOLDER FEES (fees paid directly from your investment)

- --------------------------------------------------------------------------------
                                           Investor      Advisor
                                             Class        Class     Broker Class
- --------------------------------------------------------------------------------

Maximum Sales Charge Imposed on
Purchases (as a % of offering price)         None          None         None

Maximum Deferred Sales Charge (as a %
of original purchase price or sales
proceeds, whichever is less)........         None          None        5.00%*

Wire Redemption Fee.................        $12.00        $12.00       $12.00
- --------------------------------------------------------------------------------

*  Declining  over a six-year  period as follows:  5% during the first year,  4%
   during the second year, 3% during the third and fourth  years,  2% during the
   fifth year, 1% during the sixth year and 0%  thereafter.  Broker Class shares
   will convert to Investor Class shares eight years after purchase.



                                                                              12
<PAGE>

ANNUAL OPERATING EXPENSES (expenses that are deducted from Fund assets)

INVESTOR CLASS:

- ------------------------------------------------------------------------------
                                                 Internet    Japan  Small Cap
                  U.S. Plus  OTC Plus Dow Plus^    Plus^     Plus^    Plus^
- ------------------------------------------------------------------------------

Management Fees      0.75      0.75      0.75      0.75       0.75     0.75

Distribution
(12b-1) Fees[]      _____     _____        [0]       [0]        [0]      [0]

Other Expenses*     _____     _____     _____     _____      _____    _____

Total Annual
Operating Expenses  _____     _____     _____     _____      _____    _____

Fee Waiver and/or
Reimbursement*      _____     _____     _____     _____      _____    _____

Net Expenses         1.50      1.50      1.50      1.50       1.50     1.50
                    =====     =====     =====     =====      =====    =====


- ------------------------------------------------------------------------------

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------
                                                   Internet/  Japan/    Small     Money
                  U.S./Short  OTC/Short Dow/Short^  Short^    Short^    Cap/      Market
                                                                        Short^    Fund
- ------------------------------------------------------------------------------------------
<S>               <C>         <C>       <C>        <C>        <C>       <C>       <C>

Management Fees      0.90       0.90       0.90      0.90      0.90     0.90      0.50

Distribution
(12b-1) Fees[]       ____       ____         [0]       [0]       [0]      [0]     None

Other Expenses*      ____       ____       ____      ____      ____     ____      ____

Total Annual
Operating Expenses   ____       ____       ____      ____      ____     ____      ____

Fee Waiver an/or
Reimbursement*       ____       ____       ____      ____      ____     ____      ____

Net Expenses         1.65       1.65       1.65      1.65      1.65     1.65      1.00
                     ====       ====       ====      ====      ====     ====      ====

- ------------------------------------------------------------------------------------------
</TABLE>

*  Rafferty Asset  Management,  Inc. has  contractually  agreed to reimburse the
   Funds for Other Expenses  through  [August 31, 2000] to the extent that Total
   Annual Fund Operating Expenses exceed 1.50% for the Plus Funds, 1.65% for the
   Short Funds and 1.00% for the Money Market Fund.

^  Based on estimated expenses to be incurred in the first year of operations.

[] The Board of Trustees has  authorized  payment by each Fund (except the Money
   Market Fund) of Rule 12b-1 fees of an amount equal to the difference  between
   a Fund's Total Annual Operating  Expenses and the contractual  limit on Total


                                                                              13
<PAGE>

   Annual Operating Expenses of 1.50% for the Plus Funds and 1.65% for the Short
   Funds.

ADVISOR CLASS:

- ------------------------------------------------------------------------------
                                                 Internet    Japan  Small Cap
                  U.S. Plus  OTC Plus Dow Plus^    Plus^     Plus^    Plus^

- ------------------------------------------------------------------------------

Management Fees      0.75     0.75      0.75       0.75      0.75      0.75

Distribution
(12b-1) Fees         None     None      None       None      None      None

Other Expenses*     _____     _____     _____     _____      _____    _____

Total Annual
Operating Expenses  _____     _____     _____     _____      _____    _____

Fee Waiver an/or
Reimbursement*      _____     _____     _____     _____      _____    _____

Net Expenses         2.50     2.50      2.50       2.50      2.50      2.50
                     ====     ====      ====       ====      ====      ====


- ------------------------------------------------------------------------------

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------
                                                   Internet/  Japan/    Small     Money
                  U.S./Short  OTC/Short Dow/Short^  Short^    Short^    Cap/      Market
                                                                        Short^    Fund
- ------------------------------------------------------------------------------------------
<S>               <C>         <C>       <C>        <C>        <C>       <C>       <C>

Management Fees      0.90       0.90       0.90      0.90      0.90     0.90      0.50

Distribution
(12b-1) Fees         None       None       None      None      None     None      None

Other Expenses*      ____       ____       ____      ____      ____     ____      ____

Total Annual
Operating Expenses   ____       ____       ____      ____      ____     ____      ____

Fee Waiver an/or
Reimbursement*       ____       ____       ____      ____      ____     ____      ____

Net Expenses         2.65       2.65       2.65      2.65      2.65     2.65      2.00
                     ====       ====       ====      ====      ====     ====      ====

- -----------------------------------------------------------------------------------------
</TABLE>

*  Rafferty Asset  Management,  Inc. has  contractually  agreed to reimburse the
   Funds for Other Expenses  through  [August 31, 2000] to the extent that Total
   Annual Fund Operating Expenses exceed 2.50% for the Plus Funds, 2.65% for the
   Short Funds and 2.00% for the Money Market Fund.

^  Based on estimated expenses to be incurred in the first year of operations.



                                                                              14
<PAGE>

BROKER CLASS:

- ------------------------------------------------------------------------------
                                                 Internet    Japan  Small Cap
                  U.S. Plus  OTC Plus Dow Plus^    Plus^     Plus^    Plus^

- ------------------------------------------------------------------------------

Management Fees      0.75     0.75      0.75       0.75      0.75      0.75

Distribution
(12b-1) Fees         1.00     1.00      1.00       1.00      1.00      1.00

Other Expenses*     _____     _____     _____     _____      _____    _____

Total Annual
Operating Expenses  _____     _____     _____     _____      _____    _____

Fee Waiver an/or
Reimbursement*      _____     _____     _____     _____      _____    _____

Net Expenses         2.50     2.50      2.50       2.50      2.50      2.50
                     ====     ====      ====       ====      ====      ====

- ------------------------------------------------------------------------------

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------
                                                   Internet/  Japan/    Small     Money
                  U.S./Short  OTC/Short Dow/Short^  Short^    Short^    Cap/      Market
                                                                        Short^    Fund
- ------------------------------------------------------------------------------------------
<S>               <C>         <C>       <C>        <C>        <C>       <C>       <C>

Management Fees       0.90       0.90       0.90      0.90      0.90     0.90     0.50

Distribution
(12b-1) Fees          1.00       1.00       1.00      1.00      1.00     1.00     None

Other Expenses*       ____       ____       ____      ____      ____     ____     ____

Total Annual
Operating Expenses    ____       ____       ____      ____      ____     ____     ____

Fee Waiver an/or
Reimbursement*        ____       ____       ____      ____      ____     ____     ____

Net Expenses          2.65       2.65       2.65      2.65      2.65     2.65     2.00
                      ====       ====       ====      ====      ====     ====     ====

- -----------------------------------------------------------------------------------------
</TABLE>

*  Rafferty Asset  Management,  Inc. has  contractually  agreed to reimburse the
   Funds for Other Expenses  through  [August 31, 2000] to the extent that Total
   Annual Fund Operating Expenses exceed 2.50% for the Plus Funds, 2.65% for the
   Short Funds and 2.00% for the Money Market Fund.

^  Based on estimated expenses to be incurred in the first year of operations.

EXPENSE EXAMPLE:

The tables  below are  intended to help you compare the cost of investing in the
different Classes of the Funds with the cost of investing in other mutual funds.
The tables show what you  would have paid if you  invested  $1,000 in each Class
of each Fund over the periods shown and then redeemed all your shares at the end
of those periods. It also assumes that your investment has a 5% return each year
and the Classes'  operating expenses remain the same through the first year. The
expenses shown for the first year are calculated based on the Net Expenses shown
above, taking into account any fee waivers and expense  reimbursements.  For the
other years, the expenses are based on Total Annual Operating Expenses.  Because


                                                                              15
<PAGE>

the Potomac Dow Funds,  Potomac  Internet Funds and Potomac Japan Funds were not
operational during the prior fiscal year,  expenses for 5 Years and 10 Years are
not  required to be shown.  Although  your actual  costs may be higher or lower,
based on these assumptions your costs would be:

INVESTOR CLASS:

 -------------------------------------------------------------------------
                      1 Year       3 Years       5 Years      10 Years
 -------------------------------------------------------------------------
 U.S. Plus             $150          $470          $820         $1790
 U.S./Short            $170          $520          $900         $1950
 OTC Plus              $150          $470          $820         $1790
 OTC/Short             $170          $520          $900         $1950
 Dow Plus              $150          $470          $820         $1790
 Dow/Short             $170          $520          $900         $1950
 Internet Plus         $150          $470          $820         $1790
 Internet/Short        $170          $520          $900         $1950
 Japan Plus            $150          $470          $820         $1790
 Japan/Short           $170          $520          $900         $1950
 Small Cap Plus        $150          $470          $820         $1790
 Small Cap/Short       $170          $520          $900         $1950
 U.S. Government
    Money Market       $100          $320          $550         $1220

 -------------------------------------------------------------------------

ADVISOR CLASS:

 -------------------------------------------------------------------------
                      1 Year       3 Years       5 Years      10 Years
 -------------------------------------------------------------------------
 U.S. Plus             $260          $___         $___          $___
 U.S./Short            $280          $___         $___          $___
 OTC Plus              $260          $___         $___          $___
 OTC/Short             $280          $___         $___          $___
 Dow Plus              $260          $___          n/a           n/a
 Dow/Short             $280          $___          n/a           n/a
 Internet Plus         $260          $___          n/a           n/a
 Internet/Short        $280          $___          n/a           n/a
 Japan Plus            $260          $___          n/a           n/a
 Japan/Short           $280          $___          n/a           n/a
 Small Cap Plus        $260          $___          n/a           n/a
 Small Cap/Short       $280          $___          n/a           n/a
 U.S. Government
    Money Market       $___          $___         $___          $___

 -------------------------------------------------------------------------

<TABLE>
<CAPTION>
BROKER CLASS:

 ------------------------------------------ ------------ ----------- ----------- -----------
                                              1 Year      3 Years     5 Years     10 Years
 ------------------------------------------ ------------ ----------- ----------- -----------
<S>                                            <C>          <C>         <C>         <C>
 U.S. Plus
     Assuming redemption at end of period      $___         $___        $___        $___
     Assuming no redemption                    $___         $___        $___        $___

 U.S./Short
     Assuming redemption at end of period      $___         $___        $___        $___
     Assuming no redemption                    $___         $___        $___        $___



                                                                              16
<PAGE>

 OTC Plus
     Assuming redemption at end of period      $___         $___        $___        $___
     Assuming no redemption                    $___         $___        $___        $___

 OTC/Short
     Assuming redemption at end of period      $___         $___        $___        $___
     Assuming no redemption                    $___         $___        $___        $___

 Dow Plus
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 Dow/Short
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 Internet Plus
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 Internet/Short
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 Japan Plus
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 Japan/Short
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 Small Cap Plus
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 Small Cap/Short
     Assuming redemption at end of period      $___         $___        n/a         n/a
     Assuming no redemption                    $___         $___        n/a         n/a

 U.S. Government Money Market
     Assuming redemption at end of period      $___         $___        $___        $___
     Assuming no redemption                    $___         $___        $___        $___

- --------------------------------------------------------------------------------------------
</TABLE>





                                                                              17
<PAGE>

                              ABOUT YOUR INVESTMENT

- --------------------------------------------------------------------------------
SHARE PRICES OF THE POTOMAC FUNDS
- --------------------------------------------------------------------------------


A Fund's share price is known as its net asset value (NAV). For all of the Funds
except the U.S. Government Money Market Fund, the share prices are calculated at
4:15 pm  Eastern  time each day the New York Stock  Exchange  (NYSE) is open for
business.  The U.S.  Government Money Market Fund's share price is calculated at
1:00 pm Eastern  time each day the NYSE and  Federal  Bank of New York are open.
Share  price is  calculated  by  dividing  a Fund's  net  assets  by its  shares
outstanding.  The Funds use the following  methods to price  securities  held in
their portfolios:

    o    equity  securities,  OTC securities,  options and futures are valued at
         their last sales price,  or if not  available,  the average of the last
         bid and ask

    o    options on futures are valued at their settlement price

    o    short-term debt securities and money market securities are valued using
         the "amortized" cost method

    o    securities  for  which a  price  is  unavailable  based  on the  method
         described  above  will  be  valued  at  fair  value  estimates  by  the
         investment advisor or the Board of Trustees


- --------------------------------------------------------------------------------
CLASSES OF SHARES
- --------------------------------------------------------------------------------


The Potomac  Funds  offers three  classes of shares for  investors to purchase -
Investor  Class,  Advisor Class and Broker Class.  Each class charges  different
fees and expenses.

INVESTOR CLASS:

   The Investor Class is best suited for those sophisticated  investors who make
   their  own  investment   decisions   without  the  advice  of  an  investment
   professional.  Investor Class shares are subject to ongoing  distribution and
   service  (Rule 12b-1) fees of up to 1.00% of their  average daily net assets.
   However,  because  Rafferty  has agreed to limit  each  Fund's  total  annual
   operating  expenses,  these fees may be significantly  lower than the ongoing
   Rule 12b-1 fees for the Advisor Class and Broker Class shares.

ADVISOR CLASS:

   The Advisor Class is made available  through your investment  advisor,  bank,
   trust company or other authorized  representative  (Financial Advisor). As an
   investor in the Advisor  Class,  you pay no sales charges.  However,  Advisor
   Class  shares  have  ongoing  Rule 12b-1 fees of up to 1.00 of their  average
   daily net assets.  Under an agreement with the Funds,  your Financial Advisor
   may receive these fees from the Funds.  In exchange,  your Financial  Advisor
   may provide a number of services, such as:

    o    placing your orders and issuing confirmations,

    o    providing investment advice, research and other advisory services,



                                                                              18
<PAGE>

    o    handling correspondence for individual accounts,

    o    acting as the sole shareholder of record for individual shareholders,

    o    issuing shareholder statements and reports and

    o    executing daily investment "sweep" functions.

   For more specific  information on these and other services,  you should speak
   to your  Financial  Advisor.  Your  Financial  Advisor may charge  additional
   account fees for services beyond those specified above.

BROKER CLASS:

   The Broker Class is made available through your broker or dealer (Broker). As
   an investor in the Broker Class,  your  investment is subject to a contingent
   deferred  sales charge  (CDSC).  This means that if you sell shares of a Fund
   within 6 years of purchase, you may have to pay a sales charge of up to 5% on
   the value of the shares to be sold.  However,  you will not be charged a CDSC
   when you exchange  Broker  Class  shares of one Potomac Fund for another.  In
   addition, the Broker Class shares have ongoing Rule 12b-1 fees of up to 1.00%
   of their average daily net assets.

   The table below lists the different CDSCs that apply if you sell Broker Class
   shares within 6 years of purchase. The CDSC is calculated by multiplying your
   original purchase cost or the current market value,  whichever is less by one
   of the percentages  listed in the table. The longer you hold your shares, the
   less of a CDSC you would pay. You may sell shares after 6 years with no CDSC.
   [Any period that you held Broker  Class  shares of the Money Market Fund will
   not be counted when determining CDSC.]

                          BROKER CLASS DEFERRED CHARGES
              REDEMPTION DURING:        CDSC ON SHARES BEING SOLD:
              -----------------         -------------------------
                 1st year                           5%
                 2nd year                           4%
                 3rd year                           3%
                 4th year                           3%
                 5th year                           2%
                 6th year                           1%
                 After 6 years                      None

   WAIVER OF CDSC:
   --------------

   The CDSC for Broker Class shares currently is waived if the shares are sold:

    o    to make certain distributions from retirement plans,

    o    due to shareholder death or disability (including  shareholders who own
         shares in joint tenancy with a spouse) or

    o    to close  shareholder  accounts that do not comply with the low balance
         account requirements.

   CONVERSION OF BROKER CLASS SHARES:
   ---------------------------------

   If you hold your  Broker  Class  shares for 8 years,  we  automatically  will
   convert  them to  Investor  Class  shares at no cost.  In  addition,  we will
   convert any Broker  Class  shares  purchased  with  reinvested  dividends  or


                                                                              19
<PAGE>

   distributions. [We do not count any period of time that you held Broker Class
   shares of the Money Market Fund in the 8 year period.]

   At the time of the conversion,  you will receive  Investor Class shares in an
   amount equal to the value of your Broker Class  shares.  Because both classes
   have  different  prices,  you may receive more or less Investor  Class shares
   after the conversion. However, the dollar amount converted will not change so
   that you have not lost any money due to the conversion.

- --------------------------------------------------------------------------------
RULE 12b-1 FEES
- --------------------------------------------------------------------------------


The Funds have  adopted a  distribution  plan under Rule 12b-1 for each class of
shares.  The Plans  allow the Funds to pay  distribution  and sales fees for the
sale of the Funds' shares and for other shareholder services. Because these fees
are paid out of the Funds'  assets on an  on-going  basis,  over time these fees
will  increase  the cost of your  investment  and may cost you more than  paying
other types of sales charges.

Under each Plan, the fees may amount to up to 1.00% of that class' average daily
net assets. The Potomac Funds' Board of Trustees has authorized each Fund to pay
Rule 12b-1 fees equal to 1.00% of the  average  daily net assets of the  Advisor
Class and the Broker Class.  For the Investors  Class, the Board authorized each
Fund to pay Rule  12b-1  fees of an  amount  equal to the  difference  between a
Fund's Total Annual Operating Expenses and the contractual limit on Total Annual
Operating Expenses of 1.50% for the Plus Funds and 1.65% for the Short Funds.


- --------------------------------------------------------------------------------
HOW TO INVEST IN THE POTOMAC FUNDS
- --------------------------------------------------------------------------------


You may invest in the Funds through traditional investment accounts,  individual
retirement  accounts  (including Roth IRAs),  self-directed  retirement plans or
company sponsored retirement plans. Applications and description of any services
fees for retirement accounts are available directly from the Potomac Funds.

MINIMUM INVESTMENT:

   The  minimum  initial  and  subsequent  investments  set  forth  below may be
   invested  in as many of the  Potomac  Funds as you  wish.  However,  you must
   invest at least $100 in any one of the Funds.  For example,  if you decide to
   invest  in  three  of the  Funds,  you  may  allocate  your  minimum  initial
   investment as $9800, $100 and $100.

- ----------------------------------------------------------------------

                     Minimum          Initial Subsequent Investment
                     Investment
- ----------------------------------------------------------------------

Regular Accounts             $10,000                 $1,000

Retirement Accounts          $______                 $_____

- ----------------------------------------------------------------------

   Rafferty may waive these  minimum  requirements  at its  discretion.  Contact
   Rafferty, your financial advisor or your broker for further information.



                                                                              20
<PAGE>

PURCHASING SHARES:

   BY MAIL
   -------

    o    Complete and sign your Account Application.

    o    Tell us which  Fund,  the class of shares  and the  amount  you wish to
         invest.

    o    Mail your check  (payable to "Potomac  Funds") along with the completed
         Account Application to:

<TABLE>
<CAPTION>
<S>                                             <C>
REGULAR MAIL                                    EXPRESS/OVERNIGHT MAIL
- ------------                                    ----------------------
<S>                                             <C>
Potomac Funds                                   Potomac Funds
c/o Firstar Mutual Fund Services, LLC           c/o Firstar Mutual Fund Services, LLC
P.O. Box 1993                                   Mutual Fund Services - 3rd Floor
Milwaukee, Wisconsin 53201-1993                 615 East Michigan Street
                                                Milwaukee, Wisconsin 53202
</TABLE>


    o    Cash, credit cards,  credit card checks and third-party checks will not
         be accepted by the Funds.

    o    All purchases must be made in U.S. Dollars through a U.S. bank.

    o    If your check  does not clear due to  insufficient  funds,  you will be
         charged a $25.00 fee.

   BY BANK WIRE TRANSFER
   ---------------------

    o    Call the Potomac  Funds'  Transfer  Agent at (800)  851-0511 to receive
         your account number.

    o    Wire your payment through the Federal Reserve System as follows:

                  Firstar Bank Milwaukee, N.A.
                  777 East Wisconsin Avenue
                  Milwaukee, Wisconsin 53202
                  ABA number 0750-00022
                  For credit to Firstar Mutual Fund Services, LLC
                  Account Number 112-952-137
                  For further credit to the Potomac Funds
                  (Your name)
                  (Your account number)
                  (Name of Fund(s) and Class(es) to purchase)

    o    Your bank may charge a fee for such services.

    o    Once you have wired your  investment,  mail [or fax] your completed and
         signed Account Application to the Potomac Funds.

    o    Wire orders will only be accepted  from 9:00 A.M. TO 3:40 P.M.  Eastern
         Time.

    o    Any  orders  received  after  this  time will be  processed  at the NAV
         calculated on the next business day.

   BY CONTACTING YOUR FINANCIAL ADVISOR OR BROKER
   ----------------------------------------------

    o    Contact your Financial Advisor or Broker.



                                                                              21
<PAGE>

    o    Your  Financial  Advisor or Broker will help you complete the necessary
         paperwork, mail your Account Application to the Potomac Funds and place
         your order to purchase shares of the Funds.


- --------------------------------------------------------------------------------
HOW TO EXCHANGE SHARES OF THE POTOMAC FUNDS
- --------------------------------------------------------------------------------


You may exchange  shares of your current Fund(s) for shares of the same class of
any other Potomac Fund without any charges. To make an exchange:

    o    Write or call the  Potomac  Funds'  Transfer  Agent,  or  contact  your
         Financial Advisor or Broker.

    o    Provide your name,  account number,  which Funds are involved,  and the
         number, percentage or dollar value of shares to be exchanged.

    o    The Funds can only honor exchanges  between accounts  registered in the
         same name and  having  the same  address  and tax payer  identification
         number.

    o    You must  exchange at least a $1,000 or, if your account  value is less
         than that, your entire account balance will be exchanged.

    o    You may exchange by telephone  only if you selected that option on your
         account application.

    o    You may place exchange  orders by telephone  between 9:00 A.M. AND 3:40
         P.M. Eastern time.

    o    Telephone  exchange  orders  will be  accepted  only during the periods
         indicated.


- --------------------------------------------------------------------------------
HOW TO SELL SHARES OF THE POTOMAC FUNDS
- --------------------------------------------------------------------------------


You may sell all or part of your  investment in the Funds at the next determined
net asset value after we receive your order.

   GENERALLY:
   ---------

    o    You normally will receive proceeds from any sales of Fund shares within
         seven days from the time a Fund receives your request.

    o    For investments that have been made by check, payment on sales requests
         may be delayed until the Potomac  Funds'  Transfer  Agent is reasonably
         satisfied  that the  purchase  payment has been  collected by the Fund,
         which may require up to 10 business days.

    o    Your  proceeds  will be sent to the address or wired to the bank listed
         on your Account Application.

    o    Your request will be processed the same day if you call between 9:00 AM
         AND 3:40 P.M.  Eastern time (or 4:00 p.m.  for the Money Market  Fund).
         Requests  placed after the closing time will be processed at the NAV on
         the next business day.



                                                                              22
<PAGE>

   BY TELEPHONE OR BY MAIL
   -----------------------

    o    Call or write the Funds (see the address and telephone number above).

    o    You may only sell shares of the Funds by telephone if you selected that
         option on your Account Application.

    o    Provide  your  name,  account  number,   which  Fund  and  the  number,
         percentage or dollar value of shares to sell.

   BY WIRE TRANSFER
   ----------------

    o    Call the Potomac Funds.

    o    Provide  your  name,  account  number,   which  Fund  and  the  number,
         percentage or dollar value of shares to sell.

    o    You must wire transfer at least $5,000.

    o    You will be charged a wire  transfer  fee of $12.00 in  addition to any
         charges imposed by your bank.

    o    Your  proceeds  will be wired only to the bank  listed on your  Account
         Application.

   THROUGH YOUR FINANCIAL ADVISOR OR BROKER
   ----------------------------------------

    o    Contact your Financial Advisor or Broker.

    o    He or she will place your order to sell shares of the Funds.

    o    [Payment can be directed to your advisory or brokerage account normally
         within three days after your  Financial  Advisor or Broker  places your
         order.]


- --------------------------------------------------------------------------------
ACCOUNT AND TRANSACTION POLICIES
- --------------------------------------------------------------------------------


ORDER POLICIES:

   You may buy and sell  shares of the Funds at their NAV  computed  after  your
   order has been received in good order.  Purchase orders will be processed the
   same day at that day's NAV if received by __ p.m.  Eastern Time.  Sell orders
   will be processed the same day if received by 3:40 p.m. Eastern time (or 4:00
   p.m. for the Money Market Fund). Any order received after those times will be
   processed the next business day.

   There are certain times when you may be unable to sell shares of the Funds or
   proceeds may be delayed.  This may occur during  emergencies,  unusual market
   conditions or when the Funds cannot determine the value of its assets or sell
   its  holdings.  The Funds  reserve the right to reject any purchase  order or
   suspend offering of their shares.

TELEPHONE TRANSACTIONS:

   For  your   protection,   the  Funds  may  require   some  form  of  personal
   identification  prior to accepting your request such as  verification of your
   social  security  number,  account number or other  information.  We also may
   record the conversation  for accuracy.  During times of unusually high market
   activity  or  extreme  market  changes,  you  should be aware  that it may be
   difficult to place your request in a timely manner.



                                                                              23
<PAGE>

SIGNATURE GUARANTEES:

   In certain  instances  when you sell  shares of the Funds,  we will need your
   signature  guaranteed.  Signatures  guarantees may be available at your bank,
   stockbroker  or a  national  securities  exchange.  Your  signature  must  be
   guaranteed under the following circumstances:

    o    if your account registration or address has changed in the last 30 days

    o    if the  proceeds  of your sale are mailed to an address  other than the
         one listed with the Funds

    o    if the proceeds are payable to a third party

    o    if the sale is greater than $100,000

    o    if the wire instructions on the account are being changed

    o    if there are other  unusual  situations  as  determined  by the  Funds'
         Transfer Agent

LOW BALANCE ACCOUNTS:

   If your account balance falls below $10,000,  then we may sell your shares of
   the Funds. We will inform you in writing 30 days prior to selliing shares. If
   you do not bring your account  balance up to $10,000  within 30 days,  we may
   sell  shares  and send you the  proceeds.  We will  not sell  shares  if your
   account value falls due to market fluctuations.

MONEY MARKET FUND CHECKING POLICIES:

   You may write  checks  against  your Money Market Fund account if you request
   and complete a signature card. With these checks,  you may sell shares of the
   Fund simply by writing a check for at least  $500.  You may not write a check
   to close your account.  If you place a stop payment order on a check, we will
   charge you $25.


                             ADDITIONAL INFORMATION

- --------------------------------------------------------------------------------
MANAGEMENT OF THE FUNDS
- --------------------------------------------------------------------------------


INVESTMENT ADVISOR:

   Rafferty Asset Management, LLC (Rafferty) provides investment services to the
   Funds. RAM manages the investment of the Funds' assets  consistent with their
   investment objectives, policies and limitations. RAM has been managing mutual
   funds since June 1997 and has ______  assets under  management as of _______,
   1999. RAM is located at 1311 Mamaroneck Avenue, White Plains, New York 10605.

   Under an investment advisory agreement between the Potomac Funds and RAM, the
   Funds pay RAM the following fees at an annualized  rate based on a percentage
   of the Funds' daily net assets. The fees charged and the contractual fees are
   the same.



                                                                              24
<PAGE>

 -------------------------------------------------
                          Advisory Fees Charged
 -------------------------------------------------

   Plus Funds                      0.75
   Short Funds                     0.90
   U.S. Government
      Money Market Fund            0.50
 -------------------------------------------------

PORTFOLIO MANAGEMENT:

   An investment committee of  Rafferty and James T. Apple  share the day-to-day
   responsibility  for  managing  the  Potomac  Funds.  Mr.  Apple is  the Chief
   Investment   Officer  of  the  Potomac  Funds   and  _____  with    Rafferty.
   Previously,  Mr.  Apple  was  portfolio  manager for  the Rydex OTC Fund from
   February  1994 to May  1997.  From  December  1992 to December  1993, he  was
   Director of Investments for The Rushmore Funds, Inc.


- --------------------------------------------------------------------------------
DISTRIBUTIONS AND TAXES
- --------------------------------------------------------------------------------


DISTRIBUTIONS:

   Each Fund,  except the Money  Market  Fund,  distributes  dividends  from net
   investment  income  annually.  The  Money  Market  Fund  usually  distributes
   dividends  from its net investment  income  monthly.  Net  investment  income
   generally  consists of interest income and dividends received on investments,
   less expenses.

   Each Fund,  except the Money Market Fund,  also  distributes any realized net
   capital gains annually.  A Fund has capital gains when it sells its portfolio
   assets for a profit.  The tax consequences  will vary depending on how long a
   Fund has held the asset.  Distributions  of net gains on the sale of an asset
   held for one year or less are taxed as ordinary income.  Sales of assets held
   longer than one year  (long-term  capital  gains) are taxed at lower  capital
   gains rates.

   Dividends  and net  capital  gains will be  reinvested  automatically  at NAV
   unless you request otherwise in writing. Normally,  distributions are taxable
   events for shareholders whether or not the distributions are received in cash
   or reinvested.

TAXES:

   The following  table  illustrates  the potential tax  liabilities for taxable
   accounts:

- --------------------------------------------------------------------------------
Type of Transaction                           Tax Status*
- --------------------------------------------------------------------------------
Dividends                                    Ordinary  income rate
Short-term  capital gains                    Ordinary income rate
Long-term  capital gains                     Long-term  capital gains rate
Sale or exchange of Fund shares owned for    Long-term  capital gains or losses
more than one year                           (capital gains rate)
Sale or exchange of Fund shares owned for    Gains are taxed at the same rate as
less than one year                           ordinary income; losses are subject
                                             to special rules
- --------------------------------------------------------------------------------


                                                                              25
<PAGE>

   *  Tax  consequences  for  tax-deferred  retirement  accounts or  non-taxable
      shareholders may be different.  You should consult your tax specialist for
      more information about your personal situation.

   If you are a non-retirement  account holder, then each year, we will send you
   a Form 1099 that tells you the amount of Fund  distributions you received for
   the prior calendar year, the tax status of this  distributions  and a list of
   reportable sale transactions. Normally, distributions are taxable in the year
   you  receive  them.  However,  any  distributions  declared in the last three
   months of the year generally are taxable as if received on December 31 of the
   year they are declared.

   If you are a non-corporate shareholder and do not provide the Funds with your
   correct  taxpayer   identification  number  (normally  your  social  security
   number),  the Funds are  required to  withhold  31% of all  dividends,  other
   distributions  and sale proceeds payable to you. If you are otherwise subject
   to backup  withholding,  we also are  required to withhold and pay to the IRS
   31% of your  distributions.  Any tax withheld may be applied against your tax
   liability when you file your tax return.  You may be subject to a $50 fee for
   any penalties imposed on the Funds by the IRS.


- --------------------------------------------------------------------------------
YEAR 2000
- --------------------------------------------------------------------------------


The Funds could be affected  adversely if the computer systems used by Rafferty,
the Funds' other  service  providers,  or companies in which the Funds invest do
not properly  process and calculate  information that relates to dates beginning
on January 1, 2000 and beyond.  Rafferty  has taken  steps that it believes  are
reasonably designed to address the potential failure of computer systems used by
it and the Funds' service providers to address the Year 2000 issue. However, due
to the  Funds'  reliance  on various  service  providers  to  perform  essential
functions,  a Fund  could  have  difficulty  calculating  its net  asset  value,
processing  orders for share sales and delivering  account  statements and other
information to shareholders.  There can be no assurance that these steps will be
sufficient to avoid and adverse impact.

- --------------------------------------------------------------------------------
MASTER/FEEDER STRUCTURE OPTION
- --------------------------------------------------------------------------------


The Funds may in the future operate under a master/feeder structure.  This means
that each Fund would be a "feeder" fund that invests objectives by investing all
its investable assets in a "master" fund with the same investment objective. The
"master" fund would purchase securities for investment.  It is expected that any
such investment  company would be managed by Rafferty in substantially  the same
manner as the Funds. If permitted by law at that time, the Board of Trustees may
approve the  implementation  of such a structure for the Funds  without  seeking
shareholder  approval.  However,  the Trustees decision will be made only if the
investments in the master funds are in the best interests of the Funds and their
shareholders.  In making that determination,  the Trustees will consider,  among
other things,  the benefits to  shareholders  and/or the  opportunity  to reduce
costs and achieve operational efficiencies. You also will receive 30 days notice
prior to the implementation of the master/feeder structure.



                                                                              26
<PAGE>

- --------------------------------------------------------------------------------
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------


The financial  highlights tables are intended to help you understand each Fund's
financial performance since the Funds' commenced operation.  Certain information
reflects  financial  results for a single Fund share.  The total  returns in the
table  represent  the rate that an  investor  would have  earned (or lost) on an
investment   in  the  Fund   (assuming   reinvestment   of  all   dividends  and
distributions).  Financial  highlights  are not  available for the Potomac Small
Cap/Short  Fund,  the Potomac  Dow Funds,  the  Potomac  Internet  Funds and the
Potomac  Japan Funds  because they have not commenced  active  operations.  More
information  about the Funds is found in their Annual and  Semi-Annual  Reports,
which you may obtain upon request.




















                                                                              27
<PAGE>


<TABLE>
<CAPTION>

                                               For a fund share outstanding throughout the period

POTOMAC FUNDS                                       U.S. PLUS FUND */              U.S./SHORT FUND 1/
                                                                PERIODS ENDED AUGUST 31
                                                    1999          1998            1999          1998
<S>                                                 <C>           <C>             <C>           <C>
PER SHARE DATA:
NET ASSET VALUE,
   BEGINNING OF PERIOD......................                    $   10.00                     $   10.00
                                                                ---------                     ---------
INCOME (LOSS) FROM INVESTMENT OPERATIONS:
Net investment income (loss)................                         0.36 4/                       0.23 4/
Net realized and unrealized gain (loss) on
investments.................................                        (0.58)                        (0.77)
                                                   -------      ---------      -------        ---------
    Total from investment operations........                        (0.22)                        (0.54)
                                                   -------      ---------      -------        ---------
LESS DIVIDENDS FROM NET INVESTMENT INCOME...                        (0.02)                         --
                                                   -------      ---------      -------        ---------

NET ASSET VALUE, END OF PERIOD..............                    $    9.76                     $    9.46
                                                   =======      =========      =======        =========

TOTAL RETURN 2/                                                     (2.23%)                       (5.40%)

SUPPLEMENTAL DATA AND RATIOS:
Net assets, end of period...................                    $  466,997                    $7,768,652

Ratio of net expenses to average net assets:
    Before expense reimbursement 3/.........                         2.52%                         5.29%
    After expense reimbursement 3/..........                         1.50%                         1.57%
Ratio of net investment income (loss)
 to average net assets:
    Before expense reimbursement 3/.........                         2.68%                        (0.46%)
    After expense reimbursement 3/..........                         3.70%                         3.26%
Portfolio turnover rate 5/..................                         0.00%                         0.00%
===============================================
</TABLE>

*/    U.S. PLUS FUND COMMENCED OPERATIONS ON OCTOBER 20, 1997.
1/    U.S./SHORT FUND COMMENCED OPERATIONS ON NOVEMBER 7, 1997.
2/    NOT ANNUALIZED.
3/    ANNUALIZED.
4/    NET INVESTMENT  INCOME (LOSS) PER SHARE  REPRESENTS NET INVESTMENT  INCOME
      (LOSS) FOR THE  RESPECTIVE  PERIOD  DIVIDED BY THE DAILY AVERAGE SHARES OF
      BENEFICIAL INTEREST OUTSTANDING THROUGHOUT EACH PERIOD.
5/    PORTFOLIO  TURNOVER  RATIO IS  CALCULATED  WITHOUT  REGARD  TO  SHORT-TERM
      SECURITIES HAVING A MATURITY OF LESS THAN ONE YEAR. ALL OF THE FUNDS, WITH
      THE EXCEPTION OF THE OTC PLUS FUND AND THE OTC/SHORT FUND,  TYPICALLY HOLD
      MOST OF THEIR  INVESTMENTS  IN OPTIONS,  FUTURES  CONTRACTS AND REPURCHASE
      AGREEMENTS, WHICH ARE DEEMED SHORT-TERM SECURITIES.






<PAGE>

<TABLE>
<CAPTION>

                                               For a fund share outstanding throughout the period
POTOMAC FUNDS                                        OTC PLUS FUND */               OTC/SHORT FUND 1/
                                                                PERIODS ENDED AUGUST 31
                                                    1999          1998            1999          1998
<S>                                                 <C>           <C>             <C>           <C>
PER SHARE DATA:
NET ASSET VALUE,
   BEGINNING OF PERIOD......................                    $   10.00                   $     10.00
                                                                ---------                     ---------

INCOME (LOSS) FROM INVESTMENT OPERATIONS:
Net investment income (loss)................                        (0.11) 4/                      0.09 4/ 8/
Net realized and unrealized gain (loss) on
investments.................................                         0.52                         (1.71)
                                                   -------      ---------      -------        ---------
    Total from investment operations........                         0.41                         (1.62)
                                                   -------      ---------      -------        ---------
LESS DIVIDENDS FROM NET INVESTMENT INCOME...                         --                            --
                                                   -------      ---------      -------        ---------
NET ASSET VALUE, END OF PERIOD..............                    $   10.41                   $      8.38
                                                   =======      =========      =======        =========
TOTAL RETURN 2/                                                      4.10%                       (16.20%)

SUPPLEMENTAL DATA AND RATIOS:
Net assets, end of period...................                   $7,680,546                    $19,168,538

Ratio of net expenses to average net assets:
    Before expense reimbursement 3/.........                         3.21%                         3.70%
    After expense reimbursement 3/..........                         1.50%                         1.64% 6/
Ratio of net investment income (loss)
 to average net assets:
    Before expense reimbursement 3/.........                        (2.84%)                       (0.74%)
    After expense reimbursement 3/..........                        (1.13%)                        1.32% 7/
Portfolio turnover rate 5/..................                     2,324.63%                     3,346.25%
===============================================
</TABLE>
*/    OTC PLUS FUND COMMENCED OPERATIONS ON OCTOBER 20, 1997.
1/    OTC/SHORT FUND COMMENCED OPERATIONS ON OCTOBER 16, 1997.
2/    NOT ANNUALIZED.
3/    ANNUALIZED.
4/    NET INVESTMENT  INCOME (LOSS) PER SHARE  REPRESENTS NET INVESTMENT  INCOME
      (LOSS) FOR THE  RESPECTIVE  PERIOD  DIVIDED BY THE DAILY AVERAGE SHARES OF
      BENEFICIAL INTEREST OUTSTANDING THROUGHOUT EACH PERIOD.
5/    PORTFOLIO  TURNOVER  RATIO IS  CALCULATED  WITHOUT  REGARD  TO  SHORT-TERM
      SECURITIES HAVING A MATURITY OF LESS THAN ONE YEAR. ALL OF THE FUNDS, WITH
      THE EXCEPTION OF THE OTC PLUS FUND AND THE OTC/SHORT FUND,  TYPICALLY HOLD
      MOST OF THEIR  INVESTMENTS  IN OPTIONS,  FUTURES  CONTRACTS AND REPURCHASE
      AGREEMENTS, WHICH ARE DEEMED SHORT-TERM SECURITIES.
6/    THE OPERATING  EXPENSE RATIO EXCLUDED  DIVIDENDS ON SHORT  POSITIONS.  THE
      RATIO  INCLUDING  DIVIDENDS ON SHORT  POSITIONS FOR THE RESPECTIVE  PERIOD
      ENDED WAS 1.78%.
7/    THE NET INVESTMENT INCOME RATIO INCLUDED DIVIDENDS ON SHORT POSITIONS. THE
      RATIO  EXCLUDING  DIVIDENDS ON SHORT  POSITIONS FOR THE RESPECTIVE  PERIOD
      ENDED WAS 1.46%.
8/    NET  INVESTMENT  INCOME  BEFORE  DIVIDENDS  ON  SHORT  POSITIONS  FOR  THE
      RESPECTIVE PERIOD ENDED WAS $0.10.






<PAGE>

<TABLE>
<CAPTION>

                                               For a fund share outstanding throughout the period

POTOMAC FUNDS                                           U.S. GOVERNMENT MONEY MARKET FUND 1/
                                                              PERIODS ENDED AUGUST 31
                                                             1999                     1998
<S>                                                          <C>                      <C>
PER SHARE DATA:
NET ASSET VALUE,
   BEGINNING OF PERIOD......................                                      $       1.00
                                                                                  ------------
INCOME (LOSS) FROM INVESTMENT OPERATIONS:
Net investment income (loss)................                                              0.04 4/
Net realized and unrealized gain (loss) on
investments.................................                                               --
                                                           ----------             ------------
    Total from investment operations........                                              0.04
                                                           ----------             ------------
LESS DIVIDENDS FROM NET INVESTMENT INCOME...                                             (0.04)
                                                           ----------             ------------
NET ASSET VALUE, END OF PERIOD..............                                      $       1.00
                                                           ==========             ============
TOTAL RETURN2/                                                                            3.89%

SUPPLEMENTAL DATA AND RATIOS:
Net assets, end of period...................                                      $  9,370,384

Ratio of net expenses to average net assets:
    Before expense reimbursement3/..........                                              3.70%
    After expense reimbursement3/...........                                              1.00%
Ratio of net investment income (loss)
 to average net assets:
    Before expense reimbursement3/..........                                              1.66%
    After expense reimbursement3/...........                                              4.36%
Portfolio turnover rate5/...................                                         N/A
================================================
</TABLE>
1/    COMMENCED OPERATIONS ON OCTOBER 20, 1997.
2/    NOT ANNUALIZED.
3/    ANNUALIZED.
4/    NET INVESTMENT  INCOME (LOSS) PER SHARE  REPRESENTS NET INVESTMENT  INCOME
      (LOSS) FOR THE  RESPECTIVE  PERIOD  DIVIDED BY THE DAILY AVERAGE SHARES OF
      BENEFICIAL INTEREST OUTSTANDING THROUGHOUT EACH PERIOD.
5/    PORTFOLIO  TURNOVER  RATIO IS  CALCULATED  WITHOUT  REGARD  TO  SHORT-TERM
      SECURITIES HAVING A MATURITY OF LESS THAN ONE YEAR. ALL OF THE FUNDS, WITH
      THE EXCEPTION OF THE OTC PLUS FUND AND THE OTC/SHORT FUND,  TYPICALLY HOLD
      MOST OF THEIR  INVESTMENTS  IN OPTIONS,  FUTURES  CONTRACTS AND REPURCHASE
      AGREEMENTS, WHICH ARE DEEMED SHORT-TERM SECURITIES.







<PAGE>



                      MORE INFORMATION ON THE POTOMAC FUNDS

STATEMENT  OF  ADDITIONAL  INFORMATION  (SAI):  The  Funds'  SAI  contains  more
information on the Funds and their investment policies.  The SAI is incorporated
in this  Prospectus  by  reference  (it is legally part of this  Prospectus).  A
current SAI is on file with the Securities and Exchange Commission (SEC).

ANNUAL AND  SEMI-ANNUAL  REPORTS TO  SHAREHOLDERS:  The Funds'  reports  provide
additional  information on their  investment  holdings,  performance  data and a
letter  discussing  the  market   conditions  and  investment   strategies  that
significantly affected the Funds' performance during that period.

CALL OR WRITE TO OBTAIN THE SAI OR FUND REPORTS FREE OF CHARGE:

      Write to:   Potomac Funds                       Call: (800) 851-0511
                  P.O. Box 1993
                  Milwaukee, Wisconsin  53201-1993

Copies of these  documents and other  information  about the Funds are available
from the SEC Public Reference Room in Washington, D.C. The Public Reference Room
can  be  reached  at  (800)  732-0330  or by  mailing  a  request,  including  a
duplicating  fee to:  SEC's  Public  Reference  Section,  450 Fifth  Street  NW,
Washington,  D.C. 20549-6009.  You also may find information on the Funds at the
SEC's Internet website at http://www.sec.gov.

        Investment Advisor:                  Rafferty Asset Management, LLC
                                             1311 Mamaroneck Avenue
                                             White Plains, NY 10605

        Adminstrator, Transfer Agent,        Firstar Mutual Fund Services, LLC
        Dividend Paying Agent,               P.O. Box 1993
        Shareholder Servicing Agent:         Milwaukee, WI 53201-1993

        Custodian:                           Firstar Bank Milwaukee, N.A.
                                             614 East Michigan Street
                                             Milwaukee, WI 53202

        Counsel:                             Kirkpatrick & Lockhart LLP
                                             1800 Massachusetts Avenue, N.W.
                                             Washington, D.C. 20036-1800

        Independent Auditors:                PricewaterhouseCoopers LLP
                                             100 East Wisconsin Avenue
                                             Milwaukee, WI 53202

                                 POTOMAC FUNDS
                                     [LOGO]

                            SEC File Number: 811-8243
                   Rafferty Capital Markets, Inc., Distributor
                             1311 Mamaroneck Avenue
                          White Plains, New York 10605


No  person  has  been  authorized  to  give  any  information  or  to  make  any
representation  not  contained in this  Prospectus,  or in the SAI  incorporated
herein by  reference,  in connection  with the offering made by this  Prospectus
and, if given or made, such  information or  representations  must not be relied
upon  as  having  been  authorized  by the  Funds  or  their  distributor.  This
Prospectus  does not constitute an offering by the Funds in any  jurisdiction in
which such an offering may not lawfully be made.

<PAGE>

                                  POTOMAC FUNDS
                       STATEMENT OF ADDITIONAL INFORMATION

                             100 South Royal Street
                           Alexandria, Virginia 22314

                             1311 Mamaroneck Avenue
                          White Plains, New York 10605

                                 (800) 851-0511

The Potomac Funds (the "Trust") is a management  investment  company,  or mutual
fund, which offers to the public thirteen  separate  investment  portfolios (the
"Funds").  The Funds are designed  principally  for  experienced  investors  who
intend to follow an asset  allocation  strategy.  The Funds are not designed for
inexperienced or less sophisticated investors. An important feature of the Trust
is that it  primarily  consists  of pairs of Funds,  each of which  attempts  to
provide  results  correlating to a specific  index.  The "plus" fund attempts to
provide investment results that correlate to its target index, while the "short"
fund attempts to provide  investment  results that are opposite of the return of
its target index. In particular,  the following  Funds seek  investment  results
that correspond over time to the following target indices:

<TABLE>
<CAPTION>
<S>                                          <C>
FUND                                         TARGET INDEX
Potomac U.S. Plus  Fund                      150% of the performance of the Standard & Poor's 500
                                             Composite Stock Price Index(TRADEMARK)
Potomac U.S./Short Fund                      Inverse (opposite) of the Standard & Poor's 500 Composite
                                             Stock Price Index(TRADEMARK)
Potomac OTC Plus Fund                        125% of the performance of the Nasdaq 100 Stock Index(TRADEMARK)
Potomac OTC/Short Fund                       Inverse (opposite) of the Nasdaq 100 Stock Index(TRADEMARK)
Potomac Dow Plus Fund                        125% of the performance of the Dow Jones Industrial Average
Potomac Dow/Short Fund                       Inverse (opposite) of the Dow Jones Industrial Average
Potomac Internet Plus Fund                   125% of the performance of the Inter@ctive Week Internet Index
Potomac Internet/Short Fund                  Inverse (opposite) of the Inter@ctive Week Internet Index
Potomac Japan Plus Fund                      125% of the performance of the Nikkei 225 Index(TRADEMARK)
Potomac Japan/Short Fund                     Inverse (opposite) of the Nikkei 225 Index(TRADEMARK)
Potomac Small Cap Plus Fund                  125% of the performance of the Russell 2000 Index
Potomac Small Cap/Short Fund                 Inverse (opposite) of the Russell 2000 Index
</TABLE>

The Trust also offers the Potomac U.S. Government Money Market Fund, which seeks
security of principal,  current  income and liquidity by investing  primarily in
money market instruments issued or guaranteed,  as to principal and interest, by
the U.S.  Government,  its  agencies  or  instrumentalities.  THE FUND  SEEKS TO
MAINTAIN A CONSTANT  $1.00 NET ASSET  VALUE PER SHARE,  ALTHOUGH  THIS CANNOT BE
ASSURED.  SHARES OF THIS FUND ARE NOT DEPOSITS OR OBLIGATIONS,  OR GUARANTEED OR
ENDORSED BY, THE FEDERAL  DEPOSIT  INSURANCE  CORPORATION,  THE FEDERAL  RESERVE
BOARD OR ANY OTHER AGENCY.  AN  INVESTMENT  IN THIS FUND IS NEITHER  INSURED NOR
GUARANTEED BY THE UNITED STATES GOVERNMENT.

This Statement of Additional Information is not a prospectus.  It should be read
in conjunction with the Trust's  Prospectus dated  ___________,  1999. A copy of
the Prospectus is available,  without  charge,  upon request to the Trust at the
address or telephone number above.

        Statement of Additional Information dated _______________, 1999


<PAGE>


                                TABLE OF CONTENTS
                                                                           PAGE
THE POTOMAC FUNDS............................................................3
CLASSIFICATION OF THE FUNDS..................................................3
INVESTMENT POLICIES AND TECHNIQUES...........................................4
   American Depository Receipts ("ADRs").....................................4
   Foreign Securities........................................................4
   Illiquid Investments and Restricted Securities............................4
   Indexed Securities........................................................5
   Investments in Other Investment Companies.................................6
   Options, Futures and Other Strategies.....................................7
   Repurchase Agreements....................................................14
   Short Sales..............................................................14
   U.S. Government Securities...............................................15
   Other Investment Risks and Practices.....................................16
   Tracking Error...........................................................17
INVESTMENT RESTRICTIONS.....................................................18
PORTFOLIO TRANSACTIONS AND BROKERAGE........................................21
MANAGEMENT OF THE TRUST.....................................................22
   Trustees and Officers....................................................22
   Five Percent Shareholders................................................25
   Investment Adviser.......................................................25
   Fund Administrator, Fund Accountant, Transfer Agent and Custodian........26
   Distributor..............................................................27
   Distribution Plans.......................................................27
   Independent Accountants..................................................28
DETERMINATION OF NET ASSET VALUE............................................28
PURCHASES AND REDEMPTIONS...................................................29
   Retirement Plans.........................................................29
   Redemptions by Telephone.................................................30
   Redemption in Kind.......................................................30
   Receiving Payment........................................................30
EXCHANGE PRIVILEGE..........................................................31
CONVERSION OF BROKER CLASS SHARES...........................................31
PERFORMANCE INFORMATION.....................................................32
   Comparative Information..................................................32
   Total Return Computations................................................33
   Yield Computations.......................................................34
SHAREHOLDER INFORMATION.....................................................35
DIVIDENDS, OTHER DISTRIBUTIONS AND TAXES....................................35
   Dividends and Other Distributions........................................35
   Taxes....................................................................36
FINANCIAL STATEMENTS........................................................40



                                        2
<PAGE>




                                THE POTOMAC FUNDS

The Trust is a  Massachusetts  business  trust  organized on June 6, 1997 and is
registered  with the Securities and Exchange  Commission  ("SEC") as an open-end
management  investment  company  under the  Investment  Company Act of 1940,  as
amended ("1940 Act"). The Trust currently  consists of thirteen  separate series
to the  public:  the Potomac  U.S.  Plus Fund ("U.S.  Plus  Fund"),  the Potomac
U.S./Short  Fund  ("U.S.  Short  Fund"),  the  Potomac  OTC Plus Fund ("OTC Plus
Fund"), the Potomac OTC/Short Fund ("OTC/Short Fund"), the Potomac Dow Plus Fund
("Dow Plus Fund"),  the Potomac  Dow/Short Fund ("Dow Short Fund"),  the Potomac
Internet  Plus Fund  ("Internet  Plus Fund"),  the Potomac  Internet/Short  Fund
("Internet  Short Fund"),  the Potomac Japan Plus Fund ("Japan Plus Fund"),  the
Potomac  Japan/Short Fund ("Japan Short Fund"),  the Potomac Small Cap Plus Fund
("Small Cap Plus"), the Potomac Small Cap/Short Fund ("Small Cap Short") and the
Potomac U.S.  Government Money Market Fund ("Money Market Fund")  (collectively,
the "Funds"). The Trust may offer additional series in the future.

Each Fund offers three classes of shares:  the Investor Class, the Advisor Class
and the Broker Class.  The Investor  Class shares are designed for sale directly
for  investors  without  a sales  charge.  The  Advisor  Class  shares  are made
available through investment  advisers,  bank, trust company or other authorized
representative  without a sales  charge but are subject to a 1.00%  distribution
and service fee.  The Broker  Class shares are sold through  brokers and dealers
and are  subject to a 5%  maximum  contingent  deferred  sales  charge  ("CDSC")
declining over a six-year period.

The Funds are designed  principally for experienced  investors  seeking an asset
allocation  vehicle.  Except  for the  Money  Market  Fund,  the  Funds  provide
investment  exposure to various securities  markets.  Each Fund seeks investment
results that correspond  over time to a specific target index.  The terms "plus"
and "short" in the Funds' names are not intended to refer to the duration of the
Funds'  investment  portfolios.  The  Funds  may  be  used  independently  or in
combination with each other as part of an overall strategy.

                           CLASSIFICATION OF THE FUNDS

Each Fund (other than the Money  Market Fund) is a  "non-diversified"  series of
the Trust  pursuant  to the 1940  Act.  A Fund is  considered  "non-diversified"
because a  relatively  high  percentage  of its  assets may be  invested  in the
securities  of a limited  number of issuers.  To the extent that a Fund  assumes
large  positions in the securities of a small number of issuers,  the fund's net
asset value may fluctuate to a greater extent than that of a diversified company
as a result of changes in the financial  condition or in the market's assessment
of the issuers,  and the Fund may be more  susceptible  to any single  economic,
political or regulatory occurrence than a diversified company.

A Fund's classification as a "non-diversified" investment company means that the
proportion  of its assets  that may be invested  in the  securities  of a single
issuer is not  limited  by the 1940 Act.  Each  Fund,  however,  intends to meet
certain diversification standards at the end of each quarter of its tax year.



                                       3
<PAGE>

                       INVESTMENT POLICIES AND TECHNIQUES

The Funds may engage in the investment  strategies  discussed below. There is no
assurance  that any of these  strategies or any other  strategies and methods of
investment  available  to a Fund will  result in the  achievement  of the Fund's
objective.

AMERICAN DEPOSITORY RECEIPTS ("ADRS")

The OTC Plus Fund,  OTC/Short Fund,  Small Cap Plus Fund,  Small Cap/Short Fund,
Internet Plus Fund,  Internet/Short  Fund,  Japan Plus Fund and Japan/Short Fund
may invest in ADRs. The OTC/Short Fund,  Small  Cap/Short  Fund,  Internet/Short
Fund and Japan/Short Fund may sell ADRs short.

ADRs are dollar denominated receipts representing interests in the securities of
a foreign  issuer,  which  securities may not  necessarily be denominated in the
same  currency  as the  securities  into which they may be  converted.  ADRs are
receipts  typically  issued by United  States  banks  and trust  companies  that
evidence  ownership of underlying  securities  issued by a foreign  corporation.
ADRs include ordinary shares and New York shares.  ADRs may be purchased through
"sponsored" or  "unsponsored"  facilities.  A sponsored  facility is established
jointly by the issuer of the  underlying  security and a  depository,  whereas a
depository may establish an unsponsored  facility  without  participation by the
issuer of the depository  security.  Holders of unsponsored  depository receipts
generally  bear  all the  costs  of such  facilities  and the  depository  of an
unsponsored facility frequently is under no obligation to distribute shareholder
communications  received  from the issuer of the  deposited  security or to pass
through  voting  rights  to the  holders  of  such  receipts  of  the  deposited
securities.  ADRs are not  necessarily  denominated  in the same currency as the
underlying  securities  to  which  they  may be  connected.  Generally,  ADRs in
registered form are designed for use in the U.S.  securities  market and ADRs in
bearer form are designed for used outside the United States.

FOREIGN SECURITIES

The  Japan  Plus  Fund  and the  Japan/Short  Fund  (each,  a "Japan  Fund"  and
collectively,  the "Japan  Funds") may invest in ADRs of companies that comprise
the Nikkei 225 Index. The Japan Funds also may have indirect exposure to foreign
securities  through  investments  in stock index futures  contracts,  options on
stock index futures contracts and options on securities and on stock indices

Investing in foreign  securities  carries  political and economic risks distinct
from those associated with investing in the United States.  Foreign  investments
may be affected by actions of foreign  governments  adverse to the  interests of
U.S. investors, including the possibility of expropriation or nationalization of
assets,  confiscatory  taxation,  restrictions  on  U.S.  investment,  or on the
ability to repatriate assets or to convert currency into U.S. dollars. There may
be a greater possibility of default by foreign governments or foreign-government
sponsored  enterprises.  Investments in foreign countries also involve a risk of
local political, economic, or social instability,  military action or unrest, or
adverse diplomatic developments.

ILLIQUID INVESTMENTS AND RESTRICTED SECURITIES

Each Fund may purchase and hold illiquid  investments,  No Fund will purchase or
otherwise acquire any security if, as a result, more than 15% (10% for the Money
Market  Fund) of its net assets  (taken at current  value)  would be invested in


                                       4
<PAGE>

investments  that are  illiquid by virtue of the absence of a readily  available
market or legal or  contractual  restrictions  on resale.  This  policy does not
include  restricted  securities  eligible for resale pursuant to Rule 144A under
the Securities Act of 1933, as amended ("1933 Act"), which the Board of Trustees
("Board" or "Trustees")  or Rafferty  Asset  Management,  LLC  ("Rafferty")  has
determined  under  Board-approved  guidelines  are  liquid.  None of the  Funds,
however, currently anticipates investing in such restricted securities.

The term "illiquid  investments" for this purpose means  investments that cannot
be  disposed  of  within  seven  days in the  ordinary  course  of  business  at
approximately the amount at which a Fund has valued the investments. Investments
currently  considered to be illiquid  include:  (1)  repurchase  agreements  not
terminable within seven days, (2) securities for which market quotations are not
readily  available,  (3)  over-the-counter  ("OTC") options and their underlying
collateral,  (4) bank deposits, unless they are payable at principal amount plus
accrued  interest on demand or within seven days after demand and (5) restricted
securities not determined to be liquid pursuant to guidelines established by the
Board.  The  assets  used as cover  for OTC  options  written  by a Fund will be
considered  illiquid  unless the OTC options are sold to  qualified  dealers who
agree that the Fund may  repurchase  any OTC option it writes at a maximum price
to be calculated by a formula set forth in the option  agreement.  The cover for
an OTC option  written  subject to this procedure  would be considered  illiquid
only to the extent that the maximum  repurchase  price under the formula exceeds
the intrinsic value of the option.

A Fund may not be able to sell illiquid  investments when Rafferty  considers it
desirable to do so or may have to sell such investments at a price that is lower
than the price  that  could be  obtained  if the  investments  were  liquid.  In
addition,  the sale of illiquid  investments may require more time and result in
higher  dealer  discounts  and  other  selling  expenses  than  does the sale of
investments  that  are  not  illiquid.  Illiquid  investments  also  may be more
difficult to value due to the  unavailability  of reliable market quotations for
such  investments,  and investment in illiquid  investments  may have an adverse
impact on net asset value.

Rule 144A establishes a "safe harbor" from the registration  requirements of the
1933 Act for resales of certain  securities to qualified  institutional  buyers.
Institutional  markets for restricted securities that have developed as a result
of Rule 144A provide both readily  ascertainable  values for certain  restricted
securities  and  the  ability  to  liquidate  an  investment  to  satisfy  share
redemption  orders.  An insufficient  number of qualified  institutional  buyers
interested in purchasing Rule 144A-eligible  securities held by a Fund, however,
could affect adversely the marketability of such portfolio securities and a Fund
may be unable to dispose of such securities promptly or at reasonable prices.

INDEXED SECURITIES

Each Fund (other than the Money Market Fund) may  purchase  indexed  securities,
which are  securities  the value of which varies  positively  or  negatively  in
relation to the value of other securities, securities indices or other financial
indicators,  consistent with its investment objective.  Indexed securities maybe
debt securities or deposits whose value at maturity or coupon rate is determined
by reference to a specific  instrument or statistic.  Recent  issuers of indexed
securities  have  included  banks,  corporations  and  certain  U.S.  Government
agencies.

The  performance  of  indexed  securities  depends  to a  great  extent  on  the
performance  of the security or other  instrument  to which they are indexed and
also may be influenced by interest rate changes in the United States and abroad.


                                       5
<PAGE>

At the same time,  indexed securities are subject to the credit risks associated
with the issuer of the security,  and their values may decline  substantially if
the  issuer's  creditworthiness  deteriorates.  Indexed  securities  may be more
volatile than the underlying  instruments.  Certain indexed  securities that are
not  traded on an  established  market  may be deemed  illiquid.  See  "Illiquid
Investments and Restricted Securities" above.

The  U.S.  Plus  Fund may  invest  in  Standard  &  Poor's  Depositary  Receipts
("SPDRs").  SPDRs represent ownership in the SPDR Trust, a unit investment trust
that holds a portfolio of common stocks designed to track the price  performance
and  dividend  yield of the  Standard & Poor's 500  Composite  Stock Price Index
("S&P 500 Index"),  and whose shares trade on the American Stock  Exchange.  The
value of SPDRs  fluctuates in relation to changes in the value of the underlying
portfolio  of common  stocks.  The market  price of SPDRs,  however,  may not be
equivalent to the pro rata value of the S&P 500 Index.  SPDRs are subject to the
risks of an investment in a broadly based portfolio of common stocks.

The Dow Plus Fund may invest in DIAMONDSsm.  DIAMONDS represent an investment in
a unit investment trust ("DIAMONDS  Trust"),  which owns shares in proportion to
the  weightings  of the  stocks  comprising  the Dow  Jones  Industrial  Average
("DJIA").  The  DIAMONDS  Trust  is  structured  so that  its  shares  trade  at
approximately  1/100 (one  one-hundredth) of the value of the DJIA. The DIAMONDS
Trust's shares trade on the American Stock Exchange  ("AMEX").  An investment in
DIAMONDS  is  subject  to risks  similar  to those  of other  diversified  stock
portfolios,  including  market  volatility  and that the general  level of stock
prices may decline. Although DIAMONDS are designed to provide investment results
that  generally  correspond to the price and yield  performance of the DJIA, the
DIAMONDS Trust may not be able to exactly  replicate the performance of the DJIA
because of trust expenses and other factors

An  investment  in  SPDRs  and  DIAMONDS  are  considered  investments  in other
investment companies discussed below.

The Japan  Funds may invest in  currency-indexed  securities.  These  securities
typically are short-term to  intermediate-term  debt  securities  whose maturity
values or interest  rates are  determined by reference to the values of one more
specified   foreign   currencies,   and  may  offer  higher   yields  than  U.S.
Dollar-denominated securities of equivalent issuers. Currency-indexed securities
may be positively  or  negatively  indexed;  that is, their  maturity  value may
increase when the value of a specified foreign currency increases,  resulting in
a security that performs similarly to a foreign-denominated instrument, or their
maturity  value may  decline  when the  value of a  specified  foreign  currency
increases,  resulting in a security whose price characteristics are similar to a
put on the underlying currency.

INVESTMENTS IN OTHER INVESTMENT COMPANIES

Each Fund may invest in the  securities  of other  investment  companies  to the
extent that such an investment  would be consistent with the requirements of the
1940 Act. The Money Market Fund will invest only in those  investment  companies
that  invest  in the same  quality  of  investments  as the Money  Market  Fund.
Investments  in  the  securities  of  other  investment  companies  may  involve
duplication of advisory fees and certain other expenses. By investing in another
investment  company, a Fund becomes a shareholder of that investment company. As
a result, Fund shareholders indirectly will bear a Fund's proportionate share of
the fees and expenses paid by shareholders of the other investment  company,  in
addition to the fees and expenses Fund shareholders  directly bear in connection
with the Fund's own operations.



                                       6
<PAGE>

OPTIONS, FUTURES AND OTHER STRATEGIES

GENERAL.  Each Fund (other than the Money Market  Fund) may use certain  options
(both traded on an exchange and OTC), futures contracts  (sometimes  referred to
as  "futures")  and  options  on  futures  contracts  (collectively,  "Financial
Instruments") as a substitute for a comparable market position in the underlying
security,  to attempt to hedge or limit the  exposure of a Fund's  position,  to
create a synthetic money market position,  for certain tax-related  purposes and
to effect closing transactions.

The use of Financial  Instruments  is subject to applicable  regulations  of the
SEC, the several  exchanges upon which they are traded and the Commodity Futures
Trading Commission (the "CFTC"). In addition,  a Fund's ability to use Financial
Instruments  will  be  limited  by tax  considerations.  See  "Dividends,  Other
Distributions and Taxes."

In addition to the instruments,  strategies and risks described below and in the
Prospectus,  Rafferty may discover  additional  opportunities in connection with
Financial  Instruments  and  other  similar  or  related  techniques.  These new
opportunities  may become  available  as Rafferty  develops new  techniques,  as
regulatory  authorities  broaden the range of permitted  transactions and as new
Financial  Instruments or other  techniques are developed.  Rafferty may utilize
these  opportunities  to the  extent  that  they  are  consistent  with a Fund's
investment  objective  and  permitted  by a Fund's  investment  limitations  and
applicable  regulatory  authorities.  The  Funds'  Prospectus  or  SAI  will  be
supplemented  to the extent that new products or techniques  involve  materially
different risks than those described below or in the Prospectus.

SPECIAL RISKS. The use of Financial Instruments involves special  considerations
and risks,  certain of which are described below. Risks pertaining to particular
Financial Instruments are described in the sections that follow.

(1)     Successful use of most  Financial  Instruments  depends upon  Rafferty's
ability to predict movements of the overall securities  markets,  which requires
different skills than predicting changes in the prices of individual securities.
The ordinary spreads between prices in the cash and futures markets,  due to the
differences in the natures of those markets,  are subject to distortion.  Due to
the  possibility  of  distortion,  a correct  forecast of stock market trends by
Rafferty  may still not  result in a  successful  transaction.  Rafferty  may be
incorrect in its  expectations as to the extent of market  movements or the time
span  within  which the  movements  take place  which,  thus,  may result in the
strategy being unsuccessful.

(2)     Options  and  futures  prices  can  diverge  from  the  prices  of their
underlying instruments.  Options and futures prices are affected by such factors
as current and anticipated  short-term interest rates,  changes in volatility of
the  underlying  instrument  and the  time  remaining  until  expiration  of the
contract,  which may not affect  security  prices the same way.  Imperfect or no
correlation  also may result from differing  levels of demand in the options and
futures markets and the securities markets,  from structural  differences in how
options and futures and  securities  are traded,  and from  imposition  of daily
price fluctuation limits or trading halts.

(3)     As  described  below,  a Fund might be required  to  maintain  assets as
"cover,"  maintain  segregated  accounts or make margin  payments  when it takes
positions in Financial Instruments involving obligations to third parties (E.G.,
Financial  Instruments other than purchased  options).  If a Fund were unable to
close out its positions in such Financial  Instruments,  it might be required to


                                       7
<PAGE>

continue to maintain  such  assets or accounts or make such  payments  until the
position expired or matured. These requirements might impair a Fund's ability to
sell a  portfolio  security  or  make an  investment  at a time  when  it  would
otherwise  be  favorable  to do so,  or  require  that a Fund  sell a  portfolio
security at a disadvantageous  time. A Fund's ability to close out a position in
a Financial  Instrument prior to expiration or maturity depends on the existence
of a liquid  secondary  market or, in the absence of such a market,  the ability
and willingness of the other party to the transaction  (the  "counterparty")  to
enter  into a  transaction  closing  out the  position.  Therefore,  there is no
assurance  that any  position  can be  closed  out at a time and  price  that is
favorable to a Fund.

(4)    Losses may arise due to unanticipated  market price movements,  lack of a
liquid  secondary  market for any particular  instrument at a particular time or
due to losses from premiums paid by a Fund on options transactions.

COVER.  Transactions using Financial Instruments,  other than purchased options,
expose a Fund to an obligation to another  party. A Fund will not enter into any
such transactions unless it owns either (1) an offsetting  ("covered")  position
in  securities  or other  options  or futures  contracts  or (2) cash and liquid
assets with a value,  marked-to-market  daily, sufficient to cover its potential
obligations  to the extent not covered as provided in (1) above.  Each Fund will
comply with SEC guidelines  regarding  cover for these  instruments and will, if
the  guidelines  so require,  set aside cash or liquid assets in an account with
its custodian,  Firstar Bank Milwaukee,  N.A.  ("Custodian"),  in the prescribed
amount as determined daily.

Assets used as cover or held in an account  cannot be sold while the position in
the  corresponding  Financial  Instrument is open, unless they are replaced with
other appropriate  assets.  As a result,  the commitment of a large portion of a
Fund's  assets to cover or accounts  could impede  portfolio  management  or the
Fund's ability to meet redemption requests or other current obligations.

OPTIONS.  The value of an option position will reflect,  among other things, the
current market value of the  underlying  investment,  the time  remaining  until
expiration,  the  relationship  of the exercise price to the market price of the
underlying  investment  and  general  market  conditions.  Options  that  expire
unexercised  have no value.  Options  currently  are traded on the Chicago Board
Options  Exchange  ("CBOE"),  the AMEX and other  exchanges,  as well as the OTC
markets.

By buying a call option on a security,  a Fund has the right,  in return for the
premium paid, to buy the security  underlying the option at the exercise  price.
By writing  (selling) a call  option and  receiving  a premium,  a Fund  becomes
obligated  during the term of the option to deliver  securities  underlying  the
option at the exercise price if the option is exercised. By buying a put option,
a Fund has the right, in return for the premium, to sell the security underlying
the option at the  exercise  price.  By  writing a put  option,  a Fund  becomes
obligated  during the term of the option to purchase the  securities  underlying
the option at the exercise price.

Because options premiums paid or received by a Fund are small in relation to the
market value of the investments  underlying the options,  buying and selling put
and call options can be more speculative than investing directly in securities.

A Fund may  effectively  terminate  its right or  obligation  under an option by
entering  into a closing  transaction.  For example,  a Fund may  terminate  its
obligation  under a call or put  option  that it had  written by  purchasing  an


                                       8
<PAGE>

identical call or put option;  this is known as a closing purchase  transaction.
Conversely,  a Fund may  terminate  a  position  in a put or call  option it had
purchased by writing an identical put or call option; this is known as a closing
sale transaction. Closing transactions permit a Fund to realize profits or limit
losses on an option position prior to its exercise or expiration.

RISKS OF OPTIONS ON SECURITIES. Exchange-traded options in the United States are
issued by a clearing  organization  affiliated  with the  exchange  on which the
option is listed that, in effect, guarantees completion of every exchange-traded
option  transaction.  In contrast,  OTC options are contracts between a Fund and
its  counterparty  (usually  a  securities  dealer or a bank)  with no  clearing
organization guarantee.  Thus, when a Fund purchases an OTC option, it relies on
the  counterparty  from whom it purchased the option to make or take delivery of
the  underlying  investment  upon  exercise  of  the  option.   Failure  by  the
counterparty  to do so would  result in the loss of any premium paid by the Fund
as well as the loss of any expected benefit of the transaction.

A Fund's ability to establish and close out positions in exchange-traded options
depends on the existence of a liquid market.  However, there can be no assurance
that such a market will exist at any particular time.  Closing  transactions can
be made for OTC options only by negotiating  directly with the counterparty,  or
by a transaction in the secondary market if any such market exists. There can be
no  assurance  that a Fund  will in fact be  able  to  close  out an OTC  option
position at a favorable price prior to expiration. In the event of insolvency of
the counterparty,  a Fund might be unable to close out an OTC option position at
any time prior to its expiration.

If a Fund  were  unable to  effect a  closing  transaction  for an option it had
purchased,  it would have to  exercise  the option to realize  any  profit.  The
inability to enter into a closing purchase transaction for a covered call option
written by a Fund could cause  material  losses because the Fund would be unable
to sell the  investment  used as cover for the written  option  until the option
expires or is exercised.

OPTIONS ON INDICES. An index fluctuates with changes in the market values of the
securities  included in the index.  Options on indices give the holder the right
to receive an amount of cash upon  exercise of the option.  Receipt of this cash
amount will depend upon the closing  level of the index upon which the option is
based  being  greater  than (in the case of a call) or less than (in the case of
put) the exercise  price of the option.  Some stock index options are based on a
broad market index such as the S&P 500 Index,  the NYSE  Composite  Index or the
Amex Major Market Index, or on a narrower index such as the  Philadelphia  Stock
Exchange Over-the-Counter Index.

Each of the exchanges has established  limitations  governing the maximum number
of call or put  options  on the same  index  that may be bought or  written by a
single investor,  whether acting alone or in concert with others  (regardless of
whether such options are written on the same or different  exchanges or are held
or written on one or more accounts or through one or more brokers).  Under these
limitations,  option positions of all investment  companies  advised by Rafferty
are combined for purposes of these  limits.  Pursuant to these  limitations,  an
exchange may order the  liquidation of positions and may impose other  sanctions
or  restrictions.  These  positions  limits  may  restrict  the number of listed
options that a Fund may buy or sell.

Puts and calls on indices are similar to puts and calls on securities or futures
contracts  except that all  settlements  are in cash and gain or loss depends on
changes in the index in question  rather than on price  movements in  individual


                                       9
<PAGE>

securities  or  futures  contracts.  When a Fund  writes a call on an index,  it
receives a premium and agrees that,  prior to the expiration date, the purchaser
of the call,  upon exercise of the call, will receive from the Fund an amount of
cash if the  closing  level of the index upon which the call is based is greater
than  the  exercise  price  of the  call.  The  amount  of cash is  equal to the
difference  between the closing price of the index and the exercise price of the
call times a specified multiple ("multiplier"), which determines the total value
for each point of such difference.  When a Fund buys a call on an index, it pays
a premium and has the same rights to such call as are  indicated  above.  When a
Fund buys a put on an index,  it pays a premium and has the right,  prior to the
expiration  date, to require the seller of the put, upon the Fund's  exercise of
the put,  to deliver to the Fund an amount of cash if the  closing  level of the
index  upon which the put is based is less than the  exercise  price of the put,
which amount of cash is determined  by the  multiplier,  as described  above for
calls.  When a Fund  writes a put on an index,  it  receives  a premium  and the
purchaser of the put has the right, prior to the expiration date, to require the
Fund to  deliver  to it an amount of cash equal to the  difference  between  the
closing  level of the index and the exercise  price times the  multiplier if the
closing level is less than the exercise price.

RISKS OF  OPTIONS  ON  INDICES.  If a Fund has  purchased  an index  option  and
exercises it before the closing index value for that day is  available,  it runs
the risk that the level of the underlying index may subsequently change. If such
a change causes the exercised option to fall out-of-the-money,  the Fund will be
required to pay the difference  between the closing index value and the exercise
price of the option (times the applicable multiplier) to the assigned writer.

OTC OPTIONS. Unlike exchange-traded options, which are standardized with respect
to the underlying  instrument,  expiration date, contract size and strike price,
the terms of OTC  options  (options  not  traded  on  exchanges)  generally  are
established  through  negotiation  with the other party to the option  contract.
While this type of  arrangement  allows a Fund great  flexibility  to tailor the
option  to  its  needs,  OTC  options   generally   involve  greater  risk  than
exchange-traded  options,  which are guaranteed by the clearing  organization of
the exchanges where they are traded.

OTC FOREIGN CURRENCY  OPTIONS.  OTC foreign currency options that may be used by
the Japan Plus Fund and the Japan Short Fund are  European-style  options.  This
means that the option is exercisable only  immediately  prior to its expiration.
This is in contrast to American-style options, which are exercisable at any time
prior to the expiration date of the option.

FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS. A futures contract obligates
the seller to deliver  (and the  purchaser to take  delivery  of) the  specified
security on the  expiration  date of the  contract.  An index  futures  contract
obligates  the seller to deliver  (and the  purchaser to take) an amount of cash
equal to a specific  dollar amount times the  difference  between the value of a
specific  index at the close of the last  trading  day of the  contract  and the
price at which the  agreement is made.  No physical  delivery of the  underlying
securities in the index is made.

When a Fund writes an option on a futures  contract,  it becomes  obligated,  in
return for the premium paid,  to assume a position in the futures  contract at a
specified  exercise  price at any time during the term of the option.  If a Fund
writes a call,  it  assumes a short  futures  position.  If it writes a put,  it
assumes a long futures position.  When the Fund purchases an option on a futures
contract,  it  acquires  the right in return for the premium it pays to assume a
position in a futures  contract  (a long  position if the option is a call and a
short position if the option is a put).



                                       10
<PAGE>

Whether a Fund  realizes a gain or loss from  futures  activities  depends  upon
movements in the underlying  security or index. The extent of a Fund's loss from
an unhedged  short position in futures  contracts or from writing  unhedged call
options on futures contracts is potentially  unlimited.  The Funds only purchase
and sell futures contracts and options on futures contracts that are traded on a
U.S. exchange or board of trade.

No  price  is paid  upon  entering  into a  futures  contract.  Instead,  at the
inception of a futures  contract a Fund is required to deposit  "initial margin"
in an amount  generally equal to 10% or less of the contract value.  Margin also
must be deposited  when writing a call or put option on a futures  contract,  in
accordance  with  applicable   exchange  rules.   Unlike  margin  in  securities
transactions,  initial  margin does not represent a borrowing,  but rather is in
the nature of a performance  bond or good-faith  deposit that is returned to the
Fund at the termination of the transaction if all contractual  obligations  have
been satisfied. Under certain circumstances, such as periods of high volatility,
the Fund may be required  by an  exchange  to increase  the level of its initial
margin payment,  and initial margin requirements might be increased generally in
the future by regulatory action.

Subsequent  "variation  margin"  payments  are  made  to and  from  the  futures
commission merchant daily as the value of the futures position varies, a process
known as "marking-to-market."  Variation margin does not involve borrowing,  but
rather  represents a daily  settlement  of the Fund's  obligations  to or from a
futures  commission  merchant.  When a Fund  purchases  an  option  on a futures
contract,  the premium paid plus  transaction  costs is all that is at risk.  In
contrast,  when a Fund purchases or sells a futures contract or writes a call or
put option thereon,  it is subject to daily variation margin calls that could be
substantial  in  the  event  of  adverse  price  movements.   If  the  Fund  has
insufficient cash to meet daily variation margin requirements,  it might need to
sell securities at a time when such sales are disadvantageous.

Purchasers  and  sellers of futures  contracts  and options on futures can enter
into  offsetting  closing  transactions,  similar  to  closing  transactions  in
options, by selling or purchasing,  respectively, an instrument identical to the
instrument  purchased  or sold.  Positions  in  futures  and  options on futures
contracts  may be closed only on an  exchange or board of trade that  provides a
secondary  market.  However,  there can be no assurance that a liquid  secondary
market will exist for a particular contract at a particular time. In such event,
it may not be possible to close a futures contract or options position.

Under certain circumstances, futures exchanges may establish daily limits on the
amount that the price of a futures  contract or an option on a futures  contract
can vary from the previous day's settlement  price;  once that limit is reached,
no trades may be made that day at a price  beyond the limit.  Daily price limits
do not limit  potential  losses because prices could move to the daily limit for
several  consecutive  days  with  little  or  no  trading,   thereby  preventing
liquidation of unfavorable positions.

If a Fund were unable to liquidate a futures  contract or an option on a futures
position due to the absence of a liquid  secondary  market or the  imposition of
price limits, it could incur substantial  losses.  The Fund would continue to be
subject to market risk with respect to the position. In addition,  except in the
case of purchased options,  the Fund would continue to be required to make daily
variation  margin  payments  and might be required  to  maintain  cash or liquid
assets in an account.



                                       11
<PAGE>

To the extent that a Fund enters into  futures  contracts  or options on futures
contracts, in each case other than for BONA FIDE hedging purposes (as defined by
the Commodity Futures Trading Commission ("CFTC")), the aggregate initial margin
and the premiums required to establish those positions  (excluding the amount by
which options are  "in-the-money" at the time of purchase) will not exceed 5% of
the  liquidation  value of the  Fund's  portfolio,  after  taking  into  account
unrealized  profits and unrealized  losses on any contracts the Fund has entered
into. (In general,  a call option on a futures contract is "in-the-money" if the
value of the underlying  futures  contract  exceeds the strike,  I.E.,  exercise
price of the call. A put option on a futures contract is  "in-the-money"  if the
value of the underlying  futures contract is exceeded by the strike price of the
put.) This policy does not limit to 5% the  percentage  of a Fund's  assets that
are at risk in futures contracts and options on futures contracts.

RISKS OF FUTURES  CONTRACTS AND OPTIONS  THEREON.  The ordinary  spreads between
prices  in the cash and  futures  markets  (including  the  options  on  futures
markets), due to differences in the natures of those markets, are subject to the
following factors, which may create distortions.  First, all participants in the
futures  market are  subject to margin  deposit  and  maintenance  requirements.
Rather than meeting additional margin deposit requirements,  investors may close
futures  contracts  through  offsetting  transactions,  which could  distort the
normal relationships between the cash and futures markets. Second, the liquidity
of  the  futures  market  depends  on  participants   entering  into  offsetting
transactions  rather than making or taking delivery.  To the extent participants
decide  to make or take  delivery,  liquidity  in the  futures  market  could be
reduced,  thus  producing   distortion.   Third,  from  the  point  of  view  of
speculators,  the deposit  requirements  in the futures  market are less onerous
than  margin  requirements  in  the  securities  market.  Therefore,   increased
participation  by speculators in the futures  market may cause  temporary  price
distortions.

FOREIGN CURRENCY  STRATEGIES - SPECIAL  CONSIDERATIONS.  Each Japan Fund may use
options and futures  contracts on Japanese Yen, as described  above, and forward
contracts on Japanese Yen, as described below.

The value of Financial Instruments on foreign currencies depends on the value of
the underlying  currency  relative to the U.S. Dollar.  Because foreign currency
transactions  occurring  in the  interbank  market might  involve  substantially
larger  amounts than those  involved in the use of such  Financial  Instruments,
each Japan Fund could be  disadvantaged  by having to deal in the odd-lot market
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying  foreign  currencies at prices that are less favorable than for round
lots.

There is no systematic reporting of last sale information for foreign currencies
or any regulatory requirement that quotations available through dealers or other
market  sources  be firm or  revised on a timely  basis.  Quotation  information
generally is representative  of very large  transactions in the interbank market
and thus  might not  reflect  odd-lot  transactions  where  rates  might be less
favorable.   The   interbank   market  in  foreign   currencies   is  a  global,
round-the-clock  market.  To the extent the U.S.  options or futures markets are
closed while the markets for the underlying currencies remain open,  significant
price and rate movements might take place in the underlying  markets that cannot
be reflected in the markets for the Financial Instruments until they reopen.

Settlement of transactions  involving  foreign  currencies  might be required to
take place within the country issuing the underlying currency.  Thus, each Japan
Fund might be required  to accept or make  delivery  of the  underlying  foreign
currency  in  accordance  with any U.S.  or foreign  regulations  regarding  the


                                       12
<PAGE>

maintenance  of foreign  banking  arrangements  by U.S.  residents  and might be
required  to pay any  fees,  taxes and  charges  associated  with such  delivery
assessed in the issuing country.

FORWARD  CURRENCY  CONTRACTS.  Each Japan Fund may enter into  forward  currency
contracts to purchase or sell Japanese Yen for a fixed amount of U.S. Dollars. A
forward currency  contract involves an obligation to purchase or sell a specific
currency at a future date, which may be any fixed number of days (term) from the
date of the forward currency contract agreed upon by the parties, at a price set
at the time of the forward currency  contract.  These forward currency contracts
are traded directly between  currency  traders (usually large commercial  banks)
and their customers.

The cost to each Japan Fund of engaging  in forward  currency  contracts  varies
with factors such as the currency  involved,  the length of the contract  period
and the market  conditions then prevailing.  Because forward currency  contracts
are  usually  entered  into on a principal  basis,  no fees or  commissions  are
involved.  When a Japan Fund enters into a forward currency contract,  it relies
on the  counterparty to make or take delivery of the underlying  currency at the
maturity of the contract.  Failure by the  counterparty to do so would result in
the loss of any expected benefit of the transaction.

As is the case  with  futures  contracts,  purchasers  and  sellers  of  forward
currency  contracts can enter into offsetting closing  transactions,  similar to
closing   transactions   on  futures   contracts,   by  selling  or  purchasing,
respectively,  an  instrument  identical  to the  instrument  purchased or sold.
Secondary  markets generally do not exist for forward currency  contracts,  with
the result that closing transactions  generally can be made for forward currency
contracts only by negotiating directly with the counterparty. Thus, there can be
no  assurance  that a Japan  Fund  would in fact be able to close  out a forward
currency  contract at a favorable price prior to maturity.  In addition,  in the
event of insolvency of the counterparty, a Japan Fund may be unable to close out
a forward  currency  contract at any time prior to maturity.  In either event, a
Japan Fund would  continue  to be  subject  to market  risk with  respect to the
position, and would continue to be required to maintain a position in securities
denominated  in the foreign  currency or to maintain  cash or liquid assets in a
segregated account.

The precise matching of forward  currency  contract amounts and the value of the
securities  involved  generally  will not be possible  because the value of such
securities,  measured in the  foreign  currency,  will change  after the forward
currency  contract  has been  established.  Thus,  a Japan  Fund  might  need to
purchase or sell foreign currencies in the spot (cash) market to the extent such
foreign currencies are not covered by forward currency contracts.

COMBINED  POSITIONS.  A Fund may purchase and write options in combination  with
each  other.  For  example,  a Fund may  purchase  a put option and write a call
option on the same  underlying  instrument,  in order to  construct  a  combined
position whose risk and return  characteristics are similar to selling a futures
contract. Another possible combined position would involve writing a call option
at one  strike  price and  buying a call  option at a lower  price,  in order to
reduce the risk of the written call option in the event of a  substantial  price
increase.  Because combined  options  positions  involve  multiple trades,  they
result in higher  transaction  costs and may be more difficult to open and close
out.



                                       13
<PAGE>

REPURCHASE AGREEMENTS

Each Fund may enter into  repurchase  agreements  with banks that are members of
the Federal  Reserve System or securities  dealers who are members of a national
securities  exchange  or are  primary  dealers  in U.S.  Government  Securities.
Repurchase  agreements  generally  are for a short period of time,  usually less
than a week. Under a repurchase  agreement,  a Fund purchases a U.S.  Government
Security and simultaneously  agrees to sell the security back to the seller at a
mutually  agreed-upon  future  price  and date,  normally  one day or a few days
later.  The resale  price is greater  than the  purchase  price,  reflecting  an
agreed-upon  market  interest rate during the Fund's holding  period.  While the
maturities of the underlying securities in repurchase agreement transactions may
be more than one year, the term of each repurchase agreement always will be less
than one year. Repurchase agreements with a maturity of more than seven days are
considered to be illiquid investments.  No Fund may enter into such a repurchase
agreement  if, as a result,  more than 15% (10% in the case of the Money  Market
Fund) of the value of its net assets  would then be invested in such  repurchase
agreements  and  other  illiquid  investments.  See  "Illiquid  Investments  and
Restricted Securities" above.

Each Fund will always  receive,  as collateral,  securities  whose market value,
including accrued  interest,  at all times will be at least equal to 100% of the
dollar amount invested by the Fund in each repurchase agreement. In the event of
default or bankruptcy by the seller,  the Fund will liquidate  those  securities
(whose market value,  including accrued  interest,  must be at least 100% of the
amount  invested by the Fund) held under the  applicable  repurchase  agreement,
which securities constitute collateral for the seller's obligation to repurchase
the security.  If the seller defaults, a Fund might incur a loss if the value of
the  collateral  securing  the  repurchase  agreement  declines  and might incur
disposition costs in connection with liquidating the collateral. In addition, if
bankruptcy or similar  proceedings  are commenced  with respect to the seller of
the  security,  realization  upon the  collateral  by a Fund may be  delayed  or
limited.

SHORT SALES

The U.S./Short Fund, the OTC/Short Fund, the Dow/Short Fund, the  Internet/Short
Fund, the Small Cap/Short Fund and the Japan/Short Fund may engage in short sale
transactions  under which the Fund sells a security it does not own. To complete
such a  transaction,  the Fund must borrow the security to make  delivery to the
buyer. The Fund then is obligated to replace the security borrowed by purchasing
the security at the market price at the time of  replacement.  The price at such
time may be more or less than the price at which  the  security  was sold by the
Fund. Until the security is replaced,  the Fund is required to pay to the lender
amounts  equal to any dividends  that accrue during the period of the loan.  The
proceeds  of the short  sale  will be  retained  by the  broker,  to the  extent
necessary to meet the margin  requirements,  until the short  position is closed
out.

Until a Fund closes its short position or replaces the borrowed stock,  the Fund
will: (1) maintain an account  containing  cash or liquid assets at such a level
that (a) the amount deposited in the account plus that amount deposited with the
broker as  collateral  will equal the current  value of the stock sold short and
(b) the amount  deposited  in the  account  plus the amount  deposited  with the
broker as collateral  will not be less than the market value of the stock at the
time the stock was sold short; or (2) otherwise cover the Fund's short position.

The U.S.  Plus Fund,  the OTC Plus Fund,  the Dow Plus Fund,  the Internet  Plus
Fund,  the Small Cap Plus Fund and the Japan  Plus Fund each also may  engage in
short sales if, at the time of the short sale, the Fund owns or has the right to


                                       14
<PAGE>

acquire an equal amount of the stock being sold at no additional  cost ("selling
short against the box").

U.S. GOVERNMENT SECURITIES

The Money Market Fund invests in  Securities  issued or  guaranteed  by the U.S.
Government or its agencies or instrumentalities  ("U.S.  Government Securities")
in  pursuit of its  investment  objectives.  The other  Funds may invest in U.S.
Government  Securities  in  order to  deposit  such  securities  as  initial  or
variation margin, as "cover" for the investment  techniques they employ, as part
of a cash reserve and for liquidity purposes.

U.S. Government Securities are high-quality  instruments issued or guaranteed as
to principal or interest by the U.S. Treasury or by an agency or instrumentality
of the U.S.  Government.  Not all U.S.  Government  Securities are backed by the
full faith and credit of the United States.  Some are backed by the right of the
issuer to borrow  from the U.S.  Treasury;  others are  backed by  discretionary
authority of the U.S.  Government to purchase the agencies'  obligations;  while
others are supported only by the credit of the  instrumentality.  In the case of
securities  not backed by the full faith and  credit of the United  States,  the
investor  must look  principally  to the  agency  issuing  or  guaranteeing  the
obligation for ultimate repayment.

U.S. Government  Securities include Treasury Bills (which mature within one year
of the date they are issued),  Treasury  Notes (which have  maturities of one to
ten years) and Treasury Bonds (which  generally have  maturities of more than 10
years). All such Treasury  securities are backed by the full faith and credit of
the United States.

U.S.  Government  agencies  and   instrumentalities   that  issue  or  guarantee
securities include, but are not limited to, the Federal Housing  Administration,
the Federal  National  Mortgage  Association  ("Fannie  Mae"),  the Farmers Home
Administration,  the Export-Import Bank of the United States, the Small Business
Administration, the Government National Mortgage Association ("Ginnie Mae"), the
General Services Administration,  the Central Bank for Cooperatives, the Federal
Home Loan Banks, the Federal Home Loan Mortgage Corporation ("Freddie Mac"), the
Farm Credit Banks, the Maritime Administration,  the Tennessee Valley Authority,
the Resolution Funding Corporation and the Student Loan Marketing Association.

Securities   issued   or   guaranteed   by   U.S.    Government   agencies   and
instrumentalities  are not always  supported by the full faith and credit of the
United States.  Some, such as securities  issued by the Federal Home Loan Banks,
are  backed by the right of the  agency or  instrumentality  to borrow  from the
Treasury. Others, such as securities issued by Fannie Mae, are supported only by
the  credit of the  instrumentality  and by a pool of  mortgage  assets.  If the
securities are not backed by the full faith and credit of the United States, the
owner  of the  securities  must  look  principally  to the  agency  issuing  the
obligation  for  repayment  and may not be able to  assert a claim  against  the
United States in the event that the agency or instrumentality  does not meet its
commitment.  The Money  Market Fund will invest in  securities  of agencies  and
instrumentalities only if Rafferty is satisfied that the credit risk involved is
acceptable.

Yields on short-,  intermediate-  and long-term U.S.  Government  Securities are
dependent on a variety of factors, including the general conditions of the money
and bond  markets,  the size of a  particular  offering  and the maturity of the
obligation.  Debt  securities  with  longer  maturities  tend to produce  higher
capital  appreciation and depreciation than obligations with shorter  maturities
and lower  yields.  The market  value of U.S.  Government  Securities  generally
varies  inversely  with  changes in the market  interest  rates.  An increase in


                                       15
<PAGE>

interest rates,  therefore,  generally would reduce the market value of a Fund's
portfolio investments in U.S. Government Securities, while a decline in interest
rates  generally  would  increase  the  market  value  of  a  Fund's   portfolio
investments in these securities.

OTHER INVESTMENT RISKS AND PRACTICES

BORROWING.  The U.S. Plus Fund,  OTC Plus Fund,  the Internet Plus Fund, the Dow
Plus Fund,  the Japan Plus Fund and the Small Cap Plus Fund may borrow money for
investment purposes, which is a form of leveraging.  Leveraging investments,  by
purchasing  securities  with borrowed  money,  is a speculative  technique  that
increases investment risk while increasing investment opportunity. Leverage will
magnify  changes  in a Fund's  net  asset  value  and on a  Fund's  investments.
Although the  principal of such  borrowings  will be fixed,  a Fund's assets may
change in value during the time the  borrowing  is  outstanding.  Leverage  also
creates  interest  expenses  for a Fund.  To the extent the income  derived from
securities  purchased  with borrowed funds exceeds the interest a Fund will have
to pay, that Fund's net income will be greater than it would be if leverage were
not used. Conversely, if the income from the assets obtained with borrowed funds
is not sufficient to cover the cost of leveraging, the net income of a Fund will
be less than it would be if leverage  were not used,  and  therefore  the amount
available for distribution to shareholders as dividends will be reduced. The use
of derivatives in connection with leverage creates the potential for significant
loss.

The Funds may borrow money to facilitate  management of the Fund's  portfolio by
enabling the Fund to meet redemption  requests when the liquidation of portfolio
instruments would be inconvenient or disadvantageous.  Such borrowing is not for
investment purposes and will be repaid by the borrowing Fund promptly.

As  required by the 1940 Act, a Fund must  maintain  continuous  asset  coverage
(total assets,  including assets acquired with borrowed funds,  less liabilities
exclusive of  borrowings)  of 300% of all amounts  borrowed.  If at any time the
value of the required asset coverage declines as a result of market fluctuations
or  other  reasons,  a Fund  may be  required  to  sell  some  of its  portfolio
investments within three days to reduce the amount of its borrowings and restore
the  300%  asset  coverage,  even  though  it may  be  disadvantageous  from  an
investment standpoint to sell portfolio instruments at that time.

In  addition  to the  foregoing,  each Fund may  borrow  money  from a bank as a
temporary  measure for  extraordinary  or  emergency  purposes in amounts not in
excess of 5% of the value of its total assets.  This borrowing is not subject to
the foregoing 300% asset coverage  requirement.  Each Fund may pledge  portfolio
securities as Rafferty deems appropriate in connection with any borrowings.

LENDING  PORTFOLIO  SECURITIES.  Each Fund may lend portfolio  securities with a
value not  exceeding  33 1/3% (15% in the case of the Money  Market Fund) of its
total assets to brokers,  dealers,  and  financial  institutions.  Borrowers are
required  continuously to secure their  obligations to return securities on loan
from a Fund by depositing any  combination of short-term  government  securities
and cash as collateral  with the Fund. The collateral  must be equal to at least
100% of the  market  value of the  loaned  securities,  which  will be marked to
market  daily.  While a  Fund's  portfolio  securities  are on  loan,  the  Fund
continues to receive interest on the securities loaned and simultaneously  earns
either interest on the investment of the collateral or fee income if the loan is
otherwise  collateralized.  The Fund may invest the  interest  received  and the


                                       16
<PAGE>

collateral,  thereby  earning  additional  income.  Loans  would be  subject  to
termination by the lending Fund on four business days' notice or by the borrower
on one day's  notice.  Borrowed  securities  must be  returned  when the loan is
terminated. Any gain or loss in the market price of the borrowed securities that
occurs  during the term of the loan inures to the  lending  Fund and that Fund's
shareholders.   A  lending   Fund  may  pay   reasonable   finders,   borrowers,
administrative and custodial fees in connection with a loan. Each Fund currently
has no intention of lending its portfolio securities.

PORTFOLIO  TURNOVER.  The Trust anticipates that investors in the Funds, as part
of an asset allocation investment strategy,  frequently will redeem Fund shares,
as well as exchange their Fund shares for shares of other Funds. A Fund may have
to dispose of certain portfolio investments to maintain sufficient liquid assets
to meet such redemption and exchange requests,  thereby causing a high portfolio
turnover.  Because each Fund's  portfolio  turnover rate depends  largely on the
purchase,  redemption and exchange activity of its investors, it is difficult to
estimate each Fund's actual turnover rate.

A Fund's  portfolio  turnover rate is calculated by the value of the  securities
purchased or securities  sold,  excluding all securities whose maturities at the
time of acquisition were one year or less,  divided by the average monthly value
of such securities owned during the year. Based on this calculation, instruments
with remaining  maturities of less than one year are excluded from the portfolio
turnover rate. Such  instruments  generally would include futures  contracts and
options,  since such contracts  generally have a remaining maturity of less than
one year. In any given period,  all of a Fund's investments may have a remaining
maturity of less than one year; in which case,  the portfolio  turnover rate for
that period  would be equal to zero.  However,  each Fund's  portfolio  turnover
rate,  except for the Money Market Fund,  calculated  with all securities  whose
maturities  were one year or less is anticipated  to be unusually  high. If, for
example, options and futures were included in the calculation,  then each Fund's
portfolio   turnover  rate,   except  for  the  Money  Market  Fund,   would  be
approximately 500%.

TRACKING ERROR

While  the Funds do not  expect  their  returns  over a  twelve-month  period to
deviate from their  respective  target indices by more than 10%, several factors
may affect the Funds' ability to achieve this  correlation.  Among these factors
are: (1) Fund expenses,  including brokerage expenses and commissions (which may
be increased by high portfolio turnover); (2) less than all of the securities in
the target index being held by a Fund and  securities not included in the target
index being held by a Fund; (3) an imperfect correlation between the performance
of instruments  held by a Fund, such as futures  contracts and options,  and the
performance of the underlying securities in the cash market comprising an index;
(4)  bid-ask  spreads  (the  effect  of  which  may be  increased  by  portfolio
turnover);  (5) a Fund holding  instruments  that are illiquid or the market for
which becomes disrupted;  (6) the need to conform a Fund's portfolio holdings to
comply with that Fund's  investment  restrictions or policies,  or regulatory or
tax law  requirements;  and (7) market movements that run counter to a leveraged
Fund's  investments (which will cause divergence between the Fund and its target
index over time due to the mathematical effects of leveraging).

While index futures and options  contracts closely correlate with the applicable
indices over long  periods,  shorter-term  deviation,  such as on a daily basis,
does occur with these instruments.  As a result, a Fund's short-term performance
will reflect such deviation from its target index.



                                       17
<PAGE>

In the case of the Funds whose net asset values move inversely from their target
indices (the U.S./Short  Fund,  OTC/Short Fund,  Dow/Short Fund,  Internet/Short
Fund, Japan/Short Fund, the Small Cap/Short Fund) the factor of compounding also
may lead to  tracking  error.  Even if there is a  perfect  inverse  correlation
between a Fund and the return of its  applicable  target index on a daily basis,
the symmetry  between the changes in the benchmark and the changes in the Fund's
net asset value can be altered  significantly over time by a compounding effect.
For example,  if a Fund achieved a perfect inverse  correlation  with its target
index on every  trading day over an extended  period and the level of returns of
that index significantly  decreased during that period, a compounding effect for
that period would result, causing an increase in the Fund's net asset value by a
percentage that is somewhat greater than the percentage that the index's returns
decreased.  Conversely,  if a Fund maintained a perfect inverse correlation with
its  target  index over an  extended  period and if the level of returns of that
index  significantly  increased  over that period,  a  compounding  effect would
result,  causing a decrease of the Fund's net asset value by a  percentage  that
would be somewhat less than the percentage that the index returns increased.


                             INVESTMENT RESTRICTIONS

In addition to the  investment  policies  and  limitations  described  above and
described  in the  Prospectus,  each Fund has adopted the  following  investment
limitations,  which are fundamental  policies and may not be changed without the
vote of a majority of the outstanding  voting securities of that Fund. Under the
1940 Act, a "vote of the majority of the  outstanding  voting  securities"  of a
Fund  means the  affirmative  vote of the  lesser  of:  (1) more than 50% of the
outstanding  shares of a Fund or (2) 67% or more of the shares of a Fund present
at a  shareholders  meeting  if more  than  50% of the  outstanding  shares  are
represented at the meeting in person or by proxy.

For purposes of the following  limitations,  all  percentage  limitations  apply
immediately  after a purchase  or initial  investment.  Except  with  respect to
borrowing  money,  if a percentage  limitation  is adhered to at the time of the
investment,  a later increase or decrease in the  percentage  resulting from any
change  in  value  or  net  assets  will  not  result  in a  violation  of  such
restrictions. If at any time a Fund's borrowings exceed its limitations due to a
decline in net assets,  such borrowings  will be reduced  promptly to the extent
necessary to comply with the limitation.

EACH FUND HAS ADOPTED THE FOLLOWING  FUNDAMENTAL  INVESTMENT POLICY that enables
it  to  invest  in  another  investment  company  or  series  thereof  that  has
substantially similar investment objectives and policies:

      Notwithstanding  any  other  limitation,  the Fund may  invest  all of its
      investable  assets  in an  open-end  management  investment  company  with
      substantially the same investment objectives,  policies and limitations as
      the Fund. For this purpose,  "all of the Fund's  investable  assets" means
      that the only investment  securities that will be held by the Fund will be
      the Fund's interest in the investment company.

EACH FUND,  EXCEPT THE MONEY MARKET FUND,  HAS ADOPTED THE FOLLOWING  INVESTMENT
LIMITATIONS:

A Fund shall not:



                                       18
<PAGE>

1.    Lend any  security  or make any other  loan if, as a result,  more than 33
      1/3% of the  value  of the  Fund's  total  assets  would  be lent to other
      parties,  except (1) through the purchase of a portion of an issue of debt
      securities in accordance with the Fund's  investment  objective,  policies
      and limitations,  or (2) by engaging in repurchase agreements with respect
      to portfolio securities.

2.    Underwrite securities of any other issuer.

3.    Purchase, hold, or deal in real estate or oil and gas interests.

4.    Issue any senior security (as such term is defined in Section 18(f) of the
      1940 Act) (including the amount of senior  securities  issued by excluding
      liabilities and indebtedness not constituting senior  securities),  except
      (1)  that  the  Fund  may  issue  senior  securities  in  connection  with
      transactions  in  options,   futures,   options  on  futures  and  forward
      contracts, swaps, caps, floors, collars and other similar investments, (2)
      as otherwise permitted herein and in Investment Limitations Nos. 5, 7, and
      8,  and  (3)  the  U.S./Short  Fund,   OTC/Short  Fund,   Dow/Short  Fund,
      Internet/Short  Fund,  Japan/Short  Fund and Small Cap Plus/Short Fund may
      make short sales of securities.

5.    Pledge,  mortgage,  or hypothecate  the Fund's  assets,  except (1) to the
      extent  necessary to secure permitted  borrowings,  (2) in connection with
      the purchase of securities  on a  forward-commitment  or  delayed-delivery
      basis or the sale of securities on a  delayed-delivery  basis,  and (3) in
      connection with options, futures contracts,  options on futures contracts,
      forward  contracts,  swaps,  caps,  floors,  collars  and other  financial
      instruments.

6.    Invest in physical commodities, except that the Fund may purchase and sell
      foreign  currency,   options,   futures  contracts,   options  on  futures
      contracts,  forward contracts, swaps, caps, floors, collars, securities on
      a  forward-commitment  or  delayed-delivery  basis,  and  other  financial
      instruments.

EACH FUND,  EXCEPT THE U.S. PLUS FUND, OTC PLUS FUND, DOW PLUS FUND,  JAPAN PLUS
FUND,  SMALL CAP PLUS FUND AND THE INTERNET PLUS FUND, HAS ADOPTED THE FOLLOWING
INVESTMENT LIMITATION:

A Fund shall not:



                                       19
<PAGE>

7.    Borrow  money,  except (1) as a  temporary  measure for  extraordinary  or
      emergency  purposes and then only in amounts not to exceed 5% of the value
      of the Fund's total assets, (2) in an amount up to 33 1/3% of the value of
      the Fund's total assets,  including the amount borrowed,  in order to meet
      redemption requests without immediately selling portfolio securities,  (3)
      to enter into reverse  repurchase  agreements,  and (4) to lend  portfolio
      securities.  For purposes of this investment  limitation,  the purchase or
      sale of options, futures contracts,  options on futures contracts, forward
      contracts,  swaps, caps, floors,  collars and other financial  instruments
      shall not constitute borrowing.

THE U.S. PLUS FUND, OTC PLUS FUND, DOW PLUS FUND, INTERNET PLUS FUND, JAPAN PLUS
FUND AND SMALL CAP PLUS FUND HAVE ADOPTED THE FOLLOWING INVESTMENT LIMITATION:

A Fund shall not:

8.    Make  short  sales of  portfolio  securities  or  purchase  any  portfolio
      securities  on margin but may make short sales  "against  the box," obtain
      such   short-term   credits  as  are   necessary   for  the  clearance  of
      transactions, and make margin payments in connection with options, futures
      contracts,  options on futures contracts,  forward contracts, swaps, caps,
      floors, collars and other financial instruments.

THE U.S. PLUS FUND, OTC PLUS FUND, DOW PLUS FUND, JAPAN PLUS FUND, INTERNET PLUS
FUND AND SMALL CAP PLUS FUND HAVE ADOPTED THE FOLLOWING INVESTMENT LIMITATION:

A Fund shall not:

9.    Borrow money, except (1) to the extent permitted under the 1940 Act (which
      currently  limits  borrowing  to no more  than 33 1/3% of the value of the
      Fund's total assets),  (2) as a temporary measure and then only in amounts
      not to exceed 5% of the value of the  Fund's  total  assets,  (3) to enter
      into reverse repurchase agreements,  and (4) to lend portfolio securities.
      For  purposes  of this  investment  limitation,  the  purchase  or sale of
      options,  futures  contracts,   options  on  futures  contracts,   forward
      contracts,  swaps, caps, floors,  collars and other financial  instruments
      shall not constitute borrowing.

EACH FUND,  EXCEPT THE OTC PLUS FUND,  OTC/SHORT  FUND,  INTERNET  PLUS FUND AND
INTERNET SHORT FUND, HAS ADOPTED THE FOLLOWING INVESTMENT LIMITATION:

A Fund shall not:

10.   Invest more than 25% of the value of its total assets in the securities of
      issuers in any single industry, provided that there shall be no limitation
      on  the  purchase  of  obligations   issued  or  guaranteed  by  the  U.S.
      Government, its agencies or instrumentalities.

THE OTC PLUS FUND AND THE OTC/SHORT  FUND HAVE ADOPTED THE FOLLOWING  INVESTMENT
LIMITATION:

A Fund shall not:

11.   Invest more than 25% of the value of its total assets in the securities of
      issuers  in any single  industry,  except for the  software  and  hardware
      industries  when the  percentage  of the  securities  of  either  industry
      constitutes  more  than  25%  of  the  Nasdaq  Index.  There  shall  be no
      limitation on the purchase of obligations issued or guaranteed by the U.S.
      Government, its agencies or instrumentalities.

THE MONEY MARKET FUND HAS ADOPTED THE FOLLOWING INVESTMENT LIMITATIONS:

The Money Market Fund shall not:

1.    Make loans,  except  through the purchase of qualified  debt  obligations,
      loans of portfolio securities and entry into repurchase agreements.

2.    Lend the Fund's portfolio securities in excess of 15% of its total assets.
      Any loans of the Fund's  portfolio  securities  will be made  according to
      guidelines established by the Trustees,  including the maintenance of cash
      collateral of the borrower  equal at all times to the current market value
      of the securities loaned.



                                       20
<PAGE>

3.    Underwrite securities of any other issuer.

4.    Purchase, hold, or deal in real estate or oil and gas interests.

5.    Issue senior  securities,  except as  permitted  by the Fund's  investment
      objective and policies.

6.    Purchase  or sell  physical  commodities;  PROVIDED,  HOWEVER,  that  this
      investment  limitation  does not  prevent  the Fund  from  purchasing  and
      selling options, futures contracts,  options on futures contracts, forward
      contracts, swaps, caps, floors, collars and other financial instruments.

7.    Invest in securities of other investment  companies,  except to the extent
      permitted under the 1940 Act.

8.    Mortgage,  pledge, or hypothecate the Money Market Fund's assets except to
      secure  permitted  borrowings  or  in  connection  with  options,  futures
      contracts,  options on futures contracts,  forward contracts, swaps, caps,
      floors, collars and other financial instruments. In those cases, the Money
      Market Fund may mortgage,  pledge,  or hypothecate  assets having a market
      value not exceeding the lesser of the dollar amount borrowed or 15% of the
      value  of  total  assets  of the  Money  Market  Fund  at the  time of the
      borrowing.

9.    Make  short  sales of  portfolio  securities  or  purchase  any  portfolio
      securities  on margin,  except to obtain  such  short-term  credits as are
      necessary  for  the  clearance  of  purchases  and  sales  of  securities;
      PROVIDED,  HOWEVER,  that this investment  limitation does not prevent the
      Fund from purchasing and selling options,  futures  contracts,  options on
      futures  contracts,  forward contracts,  swaps, caps, floors,  collars and
      other financial instruments.

In  addition,  the Money Market Fund does not  presently  intend to purchase and
sell foreign currency, options, futures contracts, options on futures contracts,
forward contracts, swaps, caps, floors and collars.

                      PORTFOLIO TRANSACTIONS AND BROKERAGE

Subject to the general supervision by the Trustees,  Rafferty is responsible for
decisions  to  buy  and  sell   securities  for  each  Fund,  the  selection  of
broker-dealers  to effect the  transactions,  and the  negotiation  of brokerage
commissions,  if any.  Rafferty expects that the Funds may execute  brokerage or
other agency transactions through registered  broker-dealers,  for a commission,
in  conformity  with the 1940  Act,  the  Securities  Exchange  Act of 1934,  as
amended, and the rules and regulations thereunder.

When selecting a broker or dealer to execute  portfolio  transactions,  Rafferty
considers  many  factors,  including  the rate of  commission or the size of the
broker-dealer's  "spread," the size and  difficulty of the order,  the nature of
the market for the security,  operational  capabilities of the broker-dealer and
the research,  statistical and economic data furnished by the  broker-dealer  to
Rafferty.

In effecting portfolio transactions for the Funds, Rafferty seeks best execution
of trades  either (1) at the most  favorable  price and  efficient  execution of
transactions  or (2) with  respect to agency  transactions,  at a higher rate of
commission if reasonable in relation to brokerage and research services provided
to the Funds or Rafferty.  Such services may include the following:  information


                                       21
<PAGE>

as to the  availability  of  securities  for  purchase or sale;  statistical  or
factual  information or opinions  pertaining to investment;  wire services;  and
appraisals or evaluations of portfolio  securities.  Each Fund believes that the
requirement  always to seek the lowest  possible  commission  cost could  impede
effective portfolio management and preclude the Fund and Rafferty from obtaining
a high quality of brokerage and research  services.  In seeking to determine the
reasonableness of brokerage commissions paid in any transaction, Rafferty relies
upon its experience and knowledge  regarding  commissions  generally  charged by
various  brokers and on its judgment in  evaluating  the  brokerage and research
services received from the broker effecting the transaction.

Rafferty may use  research  and services  provided to it by brokers in servicing
all the  Funds;  however,  not all  such  services  may be used by  Rafferty  in
connection  with a Fund.  While the receipt of such  information and services is
useful in varying  degrees and generally  would reduce the amount of research or
services  otherwise  performed by Rafferty,  this information and these services
are of indeterminable value and would not reduce Rafferty's  investment advisory
fee to be paid by the Funds.

Purchases  and  sales of U.S.  Government  Securities  normally  are  transacted
through  issuers,  underwriters or major dealers in U.S.  Government  Securities
acting  as  principals.  Such  transactions  are made on a net  basis and do not
involve payment of brokerage commissions.  The cost of securities purchased from
an  underwriter  usually  includes  a  commission  paid  by  the  issuer  to the
underwriters;  transactions with dealers normally reflect the spread between bid
and asked prices.

Aggregate  brokerage  commissions  paid by U.S. Plus Fund for the period October
20,  1997 to August 31,  1998 and the fiscal  year  ended  August 31,  1999 were
$8,938 and  $_______,  respectively.  Those  commissions  were paid on brokerage
transactions worth $174,191,426 and $_________, respectively.

Aggregate brokerage  commissions paid by U.S./Short Fund for the period November
7, 1997 to August 31, 1998 and the fiscal year ended August 31, 1999 were $3,618
and  $_______,   respectively.   Those   commissions   were  paid  on  brokerage
transactions worth $78,849,094 and $__________, respectively.

Aggregate brokerage commissions paid by OTC Plus Fund for the period October 20,
1997 to August 31,  1998 and the fiscal  year ended  August 31, 1999 were $7,628
and  $_________,   respectively.   Those  commissions  were  paid  on  brokerage
transactions worth $9,942,393 and $_________, respectively.

Aggregate  brokerage  commissions  paid by OTC/Short Fund for the period October
16,1997 to August 31,  1998 and for the fiscal  year ended  August 31, 1999 were
$858 and  $_______,  respectively.  Those  commissions  were  paid on  brokerage
transactions worth $698,439 and $_______, respectively.

                             MANAGEMENT OF THE TRUST

TRUSTEES AND OFFICERS

The business  affairs of each Fund are managed by or under the  direction of the
Board of Trustees. The Trustees are responsible for managing the Funds' business
affairs and for  exercising  all the Funds' powers except those  reserved to the


                                       22
<PAGE>

shareholders.  A Trustee may be removed by the other Trustees or by a two-thirds
vote of the outstanding Trust shares.

The  following  table lists the Trustees  and officers of the Trust,  their age,
business  address and principal  occupation  during the past five years.  Unless
otherwise  noted, an individual's  business  address is 1311 Mamaroneck  Avenue,
White Plains, New York 10605.


                             Position With           Principal Occupation
          NAME                 THE TRUST            DURING PAST FIVE YEARS
Lawrence C. Rafferty*    Chief Executive       Chairman and Chief Executive
(__)                     Officer, Chairman     Officer of Rafferty,
                         of the Board of       1997-present; Chief Executive
                         Trustees              Officer of Rafferty Companies,
                                               LLC, 1996-present; Chief
                                               Executive Officer of Cohane
                                               Rafferty  Securities, Inc.,
                                               1987-present (investment
                                               banking); Chief Executive Officer
                                               of  Rafferty  Capital  Markets,
                                               Inc.,  1995-present;  Trustee  of
                                               Fairfield University.

Jay F. Higgins*  (__)    Trustee               Managing  Partner of  CloverLeaf
411 West Putnam Street                         Partners, Inc., 1992-1997
Greenwich, CT 06830                            (investment banking).

Daniel J. Byrne (__)     Trustee               President and Chief Executive
1325 Franklin Avenue                           Officer of Byrne Securities
Suite 285                                      Inc., 1992-present; Partner of
Garden City, NY 11530                          Byrne Capital Management LLP,
                                               1996-present.

Gerald E. Shanley III    Trustee               Business Consultant,
(__) 12 First Street                           1985-present; Trustee of Estate
Pelham, NY 10803                               of Charles S. Payson,
                                               1987-present.

James Terry Apple (__)   Chief Investment      Vice President of the Rafferty,
100 S. Royal Street      Officer               1997-present; Portfolio Manager
Alexandria, VA 22314                           of PADCO Advisors, 1994-1997;
                                               Portfolio Manager of Money
                                               Management Associates, 1992-1993.

Timothy P. Hagan (__)    Chief Financial       Vice President of Rafferty,
100 S. Royal Street      Officer               1997-present; Vice President of
Alexandria, VA 22314                           PADCO Advisors, 1993-1997, Vice
                                               President of Money Management
                                               Associates, 1981-1993.

Philip A. Harding (__)   Co-President          Vice President of the Rafferty,
                                               1997-present; Vice President of
                                               Commerzbank (USA), 1995-1997;
                                               Senior Vice President of Sanwa
                                               Bank (USA), 1992-1995.



                                       23
<PAGE>

Daniel D. O'Neill (__)   Co-President          ______________ of the Adviser,
                                               1999-present.

Thomas A. Mulrooney (__) Chief Operating       Chief Operating Officer of
                         Officer               Rafferty, 1997-present;
                                               President of Rafferty Capital
                                               Markets, 1995-1997; Managing
                                               Partner of Cantor Fitzgerald,
                                               Inc., 1993-1995; Executive Vice
                                               President and Director of
                                               Trading for J.J. Kenny Drake,
                                               Inc., 1985-1993.

Mark D. Edwards (__)     Vice President        Vice President of Rafferty, 1997
100 S. Royal Street                            to present; President &
Alexandria, VA 22314                           Co-Founder of Systems Management
                                               Group, 1990-1997.

Stephen P. Sprague (__)  Treasurer,            Vice President and Chief
                         Controller and        Financial Officer of Rafferty,
                         Assistant Secretary   1997-present; Chief Financial
                                               Officer  of  Rafferty  Companies,
                                               LLC, 1994-present; Chief
                                               Accountant--International   Sub.,
                                               Goldman Sachs & Co., 1983-1993.

Robert J. Zutz (46)      Secretary             Partner, Kirkpatrick & Lockhart
1800 Massachusetts Ave.                        LLP (law firm).
Washington, DC 20036

Eric W. Falkeis (__)     Assistant Secretary   Compliance Officer, Firstar
615 East Michigan Street                       Mutual Fund Services LLC,
Milwaukee, WI 53202                            1997-present; Audit Senior with
                                               PricewaterhouseCoopers LLP,
                                               1995-1997.
- -----------------

*  Messrs.  Rafferty  and Higgins  are deemed to be "interested  persons" of the
   Trust, as defined by the 1940 Act.

The Trust's  Declaration  of Trust provides that the Trustees will not be liable
for  errors  of  judgment  or  mistakes  of fact or law.  However,  they are not
protected  against any  liability  to which they would  otherwise  be subject by
reason of willful misfeasance, bad faith, gross negligence or reckless disregard
of the duties involved in the conduct of their office.

The Trust currently pay the Trustees,  except Mr. Rafferty, $1000 per meeting of
the Board.  Trustees also are reimbursed for any expenses  incurred in attending
Board  meetings.  Prior to August 1999,  the Trust paid the Trustees who are not
"interested  persons"  of the  Trust as  defined  by the 1940 Act  ("Independent
Trustees")  $500 per  meeting.  No  officer,  director  or  employee of Rafferty
receives any compensation from the Fund for acting as a director or officer. The


                                       24
<PAGE>

following  table shows the  compensation  earned by each Trustee for the Trust's
prior fiscal year ended August 31, 1999.

<TABLE>
<CAPTION>

- ---------------------------------------------------------------------------------------------------------------------------
                                                       Pension or Retirement                               Aggregate
                                     Aggregate        Benefits Accrued As Part    Estimated Annual      Compensation From
   Name of Person,                 Compensation            of the Trust's          Benefits Upon       the Trust Paid to the
    POSITION                       FROM THE TRUST            EXPENSES               RETIREMENT             TRUSTEES
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                     <C>                     <C>                     <C>                   <C>

Lawrence C. Rafferty, Trustee           $0                      $0                      $0                    $0

Jay F. Higgins, Trustee               $______                   $0                      $0                 $_______

Daniel J. Byrne, Trustee              $______                   $0                      $0                 $_______

Gerald E. Shanley III, Trustee        $______                   $0                      $0                 $______

- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>


FIVE PERCENT SHAREHOLDERS

Listed below are  shareholders who owned of record or were known by the Funds to
own beneficially five percent or more of the outstanding  shares of the Funds as
of ________, 1999.

INVESTMENT ADVISOR

Rafferty Asset Management,  LLC, 1311 Mamaroneck Avenue,  White Plains, New York
10605,  provides investment advice to the Funds. Rafferty was organized as a New
York limited liability corporation in June 1997.

Under an  Investment  Advisory  Agreement  between  the Trust,  on behalf of the
Funds,  and  Rafferty  ("Advisory  Agreement"),  Rafferty  provides a continuous
investment  program for each Fund's  assets in  accordance  with its  investment
objectives,  policies and limitations, and oversees the day-to-day operations of
the Funds, subject to the supervision of the Trustees.  Rafferty bears all costs
associated  with  providing  these  advisory  services  and the  expenses of the
Trustees who are affiliated  with or interested  persons of Rafferty.  The Trust
bears all other  expenses  that are not assumed by Rafferty as  described in the
Prospectus.  The Trust also is liable for  nonrecurring  expenses  as may arise,
including  litigation to which a Fund may be a party. The Trust also may have an
obligation  to indemnify  its  Trustees  and  officers  with respect to any such
litigation.

Pursuant to the Advisory Agreement, each Fund pays Rafferty the following fee at
an annual rate based on its average daily net assets of:

         Plus Funds              0.75%


                                       25
<PAGE>

         Short Funds             0.90%
         Money Market Fund       0.50%

For U.S.  Plus Fund,  Rafferty  has agreed to waive its fees to the extent  that
Fund expenses  exceed 1.50% of average daily net assets.  For the period October
20, 1997 to August 31, 1998 and fiscal year ended August 31, 1999,  the advisory
fees  amounted  to $71,062 and  $_______,  respectively.  For the same  periods,
Rafferty   waived  its  fees  in  the  amounts  of  $96,923   and   $__________,
respectively.

For  U.S./Short  Fund,  Rafferty has agreed to waive its fees to the extent that
Fund expenses exceed 1.65% of average daily net assets.  For the period November
7, 1997 to August 31,  1998 and the  fiscal  year ended  August  31,  1999,  the
advisory fees  amounted to $14,663 to  $__________,  respectively.  For the same
periods,  Rafferty waived its fees in the amounts of $60,726 and  $____________,
respectively.

For OTC Plus Fund, Rafferty has agreed to waive its fees to the extent that Fund
expenses  exceed 1.50% of average daily net assets.  For the period  October 20,
1997 to August 31, 1998 and the fiscal year ended August 31, 1999,  the advisory
fees amounted to $67,763 and $___________,  respectively.  For the same periods,
Rafferty  waived  its  fees  in  the  amounts  of  $154,869  and  $____________,
respectively.

For  OTC/Short  Fund,  Rafferty  has agreed to waive its fees to the extent that
Fund expenses  exceed 1.65% of average daily net assets.  For the period October
16,  1997 to August 31,  1998 and the fiscal  year ended  August 31,  1999,  the
advisory  fees  amounted to $53,805 and  $________,  respectively.  For the same
periods,  Rafferty  waived its fee in the  amounts of $123,475  and  $_________,
respectively.

For Money Market Fund,  Rafferty has agreed to waive its fees to the extent that
Fund expenses  exceed 1.00% of average daily net assets.  For the period October
20,  1997 to August 31,  1998 and the fiscal  year ended  August 31,  1999,  the
advisory  fees  amounted to $17,168  and  $_______,  respectively.  For the same
period,  Rafferty  waived its fees in the  amounts of $92,798  and  $__________,
respectively.

The Advisory  Agreement was approved by the Trustees  (including all Independent
Trustees) and Rafferty, as sole shareholder of each Fund, in compliance with the
1940 Act.  The  Advisory  Agreement  will  continue in force for a period of two
years after the date of its approval. The Agreement is renewable thereafter from
year to year with respect to each Fund, so long as its  continuance  is approved
at least  annually (1) by the vote,  cast in person at a meeting called for that
purpose,  of a majority of those  Trustees who are not  "interested  persons" of
Rafferty or the Trust,  and (2) by the majority vote of either the full Board or
the  vote of a  majority  of the  outstanding  shares  of a Fund.  The  Advisory
Agreement  automatically  terminates on assignment and is terminable on 60 days'
written notice either by the Trust or Rafferty.

FUND ADMINISTRATOR, FUND ACCOUNTANT, TRANSFER AGENT AND CUSTODIAN

Firstar  Mutual  Fund  Services,  LLC,  615  East  Michigan  Street,  Milwaukee,
Wisconsin  53202,  provides  administrative,  fund accounting and transfer agent
services to the Funds.  Firstar Bank Milwaukee, N.A., 615 East Michigan  Street,
Milwaukee, Wisconsin 53202, provides custodian services to the Funds.



                                       26
<PAGE>

Pursuant to an Administration  Servicing Agreement ("Service Agreement") between
the  Trust  and  Firstar  Mutual  Fund  Services,  LLC  ("Administrator"),   the
Administrator  provides the Trust with  administrative  and management  services
(other than investment advisory  services).  As compensation for these services,
the Trust pays the Administrator a fee of __________.

For the period ended August 31, 1999, U.S. Plus Fund,  U.S./Short Fund, OTC Plus
Fund  OTC/Short  Fund and  Money  Market  Fund paid the  Administrator  $______,
$______, $_______, $_______ and $________, respectively.

Pursuant to a Fund Accounting  Servicing Agreement between the Trust and Firstar
Mutual Fund Services, LLC ("Fund Accountant"),  the Fund Accountant provides the
Trust with accounting services,  including portfolio  accounting  services,  tax
accounting services and furnishing  financial reports.  For these services,  the
Trust pays the Fund  Accountant  a flat  annual fee of $25,000 for the first $40
million of average  daily net assets  for each the  OTC/Short  and Money  Market
Funds;  and $22,000  for the first $40  million of average  daily net assets for
each the U.S. Plus,  U.S./Short and OTC Plus Funds.  The Fund Accountant also is
entitled to certain out-of-pocket expenses, including pricing expenses.

Pursuant to a Custodian Agreement,  Firstar Bank Milwaukee,  N.A. also serves as
the Custodian of the Funds' assets.  Under the terms of the Custodian Agreement,
the Custodian holds and administers the assets in the Funds' portfolios.

DISTRIBUTOR

Rafferty Capital Markets,  Inc., 1311 Mamaroneck Avenue,  White Plains, New York
10605, serves as the distributor ("Distributor") in connection with the offering
of each Fund's shares on a no-load  basis.  The  Distributor  and  participating
dealers  with whom it has entered  into dealer  agreements  offer  shares of the
Funds as  agents  on a best  efforts  basis  and are not  obligated  to sell any
specific amount of shares. For the period ended August 31, 1999, the Distributor
received $_______ as compensation from Rafferty for distribution services.

DISTRIBUTION PLANS

Rule 12b-1  under the 1940 Act  provides  that an  investment  company  may bear
expenses  of  distributing  its  shares  only  pursuant  to a  plan  adopted  in
accordance  with the Rule.  The  Trustees  have adopted  separate  plans for the
Investor Class ("Investor Class Plan"), the Advisor Class ("Advisor Class Plan")
and the Broker Class  ("Broker  Class Plan") of each Fund pursuant to which each
Fund may pay certain expenses incurred in the distribution of that Class' shares
and the  servicing  and  maintenance  of existing  Class  shareholder  accounts.
Pursuant  to each Plan,  a Fund may pay 1.00% of its  average  daily net assets.
However,  for the Investor Class Plan, the Board has authorized each Fund to pay
distribution and services fees only in an amount equal to the difference between
a Fund's total annual  operating  expenses  and the  contractual  limit on total
annual  operating  expenses  of 1.50% for the Plus Funds and 1.65% for the Short
Funds.

Each Plan was  approved  by the  Trustees  and the  Independent  Trustees of the
Funds.  In  approving  each  Plan,  the  Trustees  determined  that  there  is a
reasonable likelihood that the Plan will benefit each Fund and its shareholders.
The Trustees will review quarterly and annually a written report provided by the
Treasurer of the amounts expended under the Plan and the purposes for which such
expenditures were made.




                                       27
<PAGE>

The Small Cap Plus Fund paid  $________  in  Investor  Class  12b-1 fees for the
fiscal year ending August 31, 1999. All of these fees were paid to Advisor.

INDEPENDENT ACCOUNTANTS

PricewaterhouseCoopers  LLP, 100 East Wisconsin Avenue,  Suite 1500,  Milwaukee,
Wisconsin 53202, are the auditors and the independent accountants for the Trust.

                        DETERMINATION OF NET ASSET VALUE

The net  asset  value per share of each  class of the  Funds  (except  the Money
Market Fund) is determined  separately  daily,  Monday through Friday, as of the
close of regular trading on the New York Stock Exchange  ("NYSE"),  each day the
NYSE is open for business.  The NYSE is not open on New Year's Day,  Presidents'
Day, Martin Luther King's Birthday, Good Friday, Memorial Day, Independence Day,
Labor Day, Thanksgiving Day, and Christmas Day. The net asset value per share of
the Money Market Fund is determined  each day that both the NYSE and the Federal
Reserve Bank of New York are open for business.

It is the policy of the Money  Market  Fund to  attempt  to  maintain a constant
price per share of $1.00. There can be no assurance that a $1.00 net asset value
per share will be maintained. The portfolio instruments held by the Money Market
Fund are valued based on the amortized  cost valuation  method  pursuant to Rule
2a-7 under the 1940 Act.  This  involves  valuing an  instrument at its cost and
thereafter  assuming a constant  amortization  to  maturity  of any  discount or
premium,  even though the portfolio  security may increase or decrease in market
value. Such fluctuations generally are in response to changes in interest rates.
Use of the amortized  cost  valuation  method  requires the Money Market Fund to
purchase  instruments  having  remaining  maturities  of 397  days or  less,  to
maintain a dollar-weighted average portfolio maturity of 90 days or less, and to
invest only in securities  determined by the Trustees to be of high quality with
minimal credit risks. The Money Market Fund may invest in issuers or instruments
that at the time of purchase have received the highest  short-term rating by any
two nationally recognized statistical rating organizations ("NRSROs").

Rule 2a-7 requires the Trustees to establish  procedures  reasonably designed to
stabilize the net asset value per share as computed for purposes of distribution
and  redemption.  The Board's  procedures  include  monitoring the  relationship
between the amortized cost value per share and a net asset value per share based
upon available  indications of market value. The Board will decide what, if any,
steps should be taken if there is a difference  of more than .5% between the two
methods.  The Board  will  take any steps  they  consider  appropriate  (such as
redemption in kind or shortening the average portfolio maturity) to minimize any
material  dilution or other unfair results arising from differences  between the
two methods of determining net asset value.

A security listed or traded on an exchange,  domestic or foreign,  or the Nasdaq
Stock  Market,  is valued at its last sales price on the  principal  exchange on
which it is  traded  prior to the time when  assets  are  valued.  If no sale is
reported at that time, the most recent bid price is used. When market quotations
for options and futures  positions held by a Fund are readily  available,  those
positions will be valued based upon such quotations. Securities and other assets
for which market quotations are not readily available,  or for which the Adviser
has reason to question the validity of quotations  received,  are valued at fair
value  as  determined  in good  faith  by the  Board.  For  valuation  purposes,


                                       28
<PAGE>

quotations  of  foreign  securities  or  other  assets  denominated  in  foreign
currencies  are  translated  to U.S.  Dollar  equivalents  using the net foreign
exchange rate in effect at the close of the stock  exchange in the country where
the security is issued.  Short-term  investments having a maturity of 60 days or
less are valued at amortized cost, which approximates market value.

For  purposes of  determining  net asset value per share of a Fund,  options and
futures  contracts  are valued at the closing  prices of the  exchanges on which
they trade.  The value of a futures  contract equals the unrealized gain or loss
on the  contract  that is  determined  by marking  the  contract  to the current
settlement  price for a like  contract  acquired on the day on which the futures
contract  is being  valued.  The  value  of  options  on  futures  contracts  is
determined based upon the current settlement price for a like option acquired on
the day on which the option is being valued.  A settlement price may not be used
for the foregoing  purposes if the market makes a limited move with respect to a
particular commodity.

OTC  securities  held by a Fund will be valued at the last sales price or, if no
sales price is reported,  the mean of the last bid and asked price is used.  The
portfolio  securities of a Fund that are listed on national exchanges are valued
at the last sales price of such securities;  if no sales price is reported,  the
mean of the  last  bid and  asked  price  is used.  Dividend  income  and  other
distributions are recorded on the ex-distribution date.

Illiquid  securities,  securities  for  which  reliable  quotations  or  pricing
services  are not  readily  available,  and  all  other  assets  not  valued  in
accordance with the foregoing principles will be valued at their respective fair
value as determined in good faith by, or under  procedures  established  by, the
Trustees,   which   procedures   may   include   the   delegation   of   certain
responsibilities  regarding  valuation  to the  Adviser or the  officers  of the
Trust. The officers of the Trust report, as necessary, to the Trustees regarding
portfolio valuation determinations. The Trustees, from time to time, will review
these methods of valuation and will  recommend  changes that may be necessary to
assure that the investments of the Funds are valued at fair value.

                            PURCHASES AND REDEMPTIONS

RETIREMENT PLANS

Individuals who earn compensation and who have not reached age 70 1/2 before the
close of the year  generally  may  establish an  Individual  Retirement  Account
("IRA").  An  individual  may make  limited  contributions  to a IRA through the
purchase of shares of the Funds.  The Internal  Revenue Code of 1986, as amended
(the "Code"), limits the deductibility of IRA contributions to taxpayers who are
not active participants (and, under certain circumstances, whose spouses are not
active participants, unless their combined adjusted gross income does not exceed
$150,000)  in  employer-provided  retirement  plans or who have  adjusted  gross
income below certain levels. Nevertheless, the Code permits other individuals to
make  nondeductible  IRA contributions up to $2,000 per year (or $4,000, if such
contributions  also are made  for a  nonworking  spouse  and a joint  return  is
filed). In addition,  individuals  whose earnings  (together with their spouse's
earnings) do not exceed a certain level may establish an "education  IRA" and/or
a "Roth IRA"; although  contributions to these new types of IRAs (established by
the Taxpayer Relief Act of 1997) ("Tax Act") are nondeductible, withdrawals from
them will not be taxable under certain circumstances. A Heritage IRA also may be
used for certain  "rollovers"  from  qualified  benefit  plans and from  Section
403(b) annuity plans.



                                       29
<PAGE>

Fund  shares  also may be used as the  investment  medium  for  qualified  plans
(defined  benefit or defined  contribution  plans  established by  corporations,
partnerships or sole  proprietorships).  Contributions to qualified plans may be
made   (within   certain   limits)  on  behalf  of  the   employees,   including
owner-employees, of the sponsoring entity.


REDEMPTIONS BY TELEPHONE

Shareholders may redeem shares of the Funds by telephone.  When acting on verbal
instructions  believed to be genuine,  the Trust,  Adviser,  Transfer  Agent and
their  trustees,  directors,  officers and employees are not liable for any loss
resulting from a fraudulent telephone  transaction request and the investor will
bear the risk of loss. In acting upon telephone instructions,  these parties use
procedures  that are reasonably  designed to ensure that such  instructions  are
genuine, such as (1) obtaining some or all of the following information: account
number,  name(s) and social security  number(s)  registered to the account,  and
personal  identification;  (2)  recording all  telephone  transactions;  and (3)
sending written confirmation of each transaction to the registered owner. To the
extent that the Trust,  Adviser,  Transfer Agent and their trustees,  directors,
officers and employees do not employ such procedures, some or all of them may be
liable for losses due to unauthorized or fraudulent transactions.

REDEMPTION IN KIND

A Fund is obligated  to redeem  shares for any  shareholder  for cash during any
90-day period up to $250,000 or 1% of that Fund's net asset value,  whichever is
less. Any redemption beyond this amount also will be in cash unless the Trustees
determine  that further cash  payments  will have a material  adverse  effect on
remaining shareholders.  In such a case, a Fund will pay all or a portion of the
remainder of the redemption in portfolio instruments,  valued in the same way as
each fund determines net asset value. The portfolio instruments will be selected
in a manner that the Trustees deem fair and  equitable.  A redemption in kind is
not as  liquid  as a cash  redemption.  If a  redemption  is  made  in  kind,  a
shareholder   receiving  portfolio  instruments  could  receive  less  than  the
redemption value thereof and could incur certain transaction costs.

RECEIVING PAYMENT

Payment of redemption proceeds will be made within seven days following a Fund's
receipt of your  request  (if  received  in good order as  described  below) for
redemption.  For investments that have been made by check, payment on redemption
requests may be delayed until the Transfer  Agent is reasonably  satisfied  that
the purchase payment has been collected by the Trust (which may require up to 10
business days). To avoid redemption delays, purchases may be made by cashiers or
certified check or by direct wire transfers.

   A redemption request will be considered to be received in "good order" if:

o  the  number or amount of shares  and the class of shares to be  redeemed  and
   shareholder account number have been indicated;

o  any written  request is signed by a  shareholder  and by all co-owners of the
   account with exactly the same name or names used in establishing the account;

o  any written  request is accompanied by certificates  representing  the shares
   that have been issued,  if any, and the  certificates  have been endorsed for
   transfer  exactly  as the  name or names  appear  on the  certificates  or an
   accompanying stock power has been attached; and



                                       30
<PAGE>

o  the signatures on any written  redemption  request of $100,000 or more and on
   any  certificates  for  shares (or an  accompanying  stock  power)  have been
   guaranteed  by a national  bank,  a state bank that is insured by the Federal
   Deposit Insurance  Corporation,  a trust company or by any member firm of the
   New York, American, Boston, Chicago, Pacific or Philadelphia Stock Exchanges.
   Signature  guarantees  also will be accepted  from savings  banks and certain
   other  financial  institutions  that are deemed  acceptable by Firstar Mutual
   Funds Services, LLC, as transfer agent, under its current signature guarantee
   program.

The right of  redemption  may be suspended or the date of payment  postponed for
any period  during  which the NYSE,  the Nasdaq,  the CME,  or the CBOE,  or the
Federal  Reserve  Bank of New  York,  as  appropriate,  is  closed  (other  than
customary weekend or holiday  closings) or trading on the NYSE, the Nasdaq,  the
CME,  the CBOE,  as  appropriate,  is  restricted.  In  addition,  the rights of
redemption may be suspended or the date of payment  postponed for any Fund for a
period  during  which  an  emergency  exists  so  that  disposal  of the  Fund's
investments  or the  determination  of its net  asset  value  is not  reasonably
practicable or for such periods as the SEC, by order,  may permit for protection
of a Fund's investors.


                               EXCHANGE PRIVILEGE

An exchange  is  effected  through the  redemption  of the shares  tendered  for
exchange and the purchase of shares being acquired at their respective net asset
values as next determined  following  receipt by the Fund whose shares are being
exchanged of (1) proper instructions and all necessary  supporting  documents or
(2) a telephone  request for such exchange in accordance with the procedures set
forth in the Prospectus and below.  Telephone  requests for an exchange received
by a Fund before the close of regular  trading on the Exchange  will be effected
at the close of regular trading on that day.  Requests for an exchange  received
after the close of regular  trading  will be  effected  on the  Exchange's  next
trading  day.  Due to the  volume  of  calls  or  other  unusual  circumstances,
telephone  exchanges may be difficult to implement  during certain time periods.

The Trust  reserves the right to reject any order to acquire its shares  through
exchange or  otherwise to restrict or  terminate  the exchange  privilege at any
time. In addition, the Trust may terminate this exchange privilege upon 60 days'
notice.

                        CONVERSION OF BROKER CLASS SHARES

Broker Class shares of the Funds  automatically  will convert to Investor  Class
shares,  based on the  relative  net asset  values per share of the two classes,
eight years after the end of the calendar month in which the shareholder's order
to purchase was  accepted.  For the purpose of  calculating  the holding  period
required for  conversion  of Broker Class shares,  the date of initial  issuance
shall mean (i) the date on which the Broker Class shares were issued or (ii) for
Broker Class shares obtained through an exchange, or a series of exchanges,  the
date on which the original  Broker  Class  shares were  issued.  For purposes of
conversion to Investor Class shares,  Broker Class shares purchased  through the
reinvestment  of  dividends  and other  distributions  paid in respect of Broker
Class shares will be held in a separate sub-account.  Each time any Broker Class
shares  in  the   shareholder's   regular  account  (other  than  those  in  the
sub-account)  convert to Investor Class shares, a pro rata portion of the Broker
Class shares in the sub-account will also convert to Investor Class shares.  The
portion  will be  determined  by the ratio that the  shareholder's  Broker Class
shares  converting  to Investor  Class shares bears to the  shareholder's  total
Broker Class shares not acquired through dividends and other distributions.



                                       31
<PAGE>

The  availability  of the  conversion  feature  is  subject  to  the  continuing
availability of an opinion of counsel to the effect that the dividends and other
distributions  paid on Investor  Class  shares and Broker  Class shares will not
result in  "preferential  dividends" under the Code and the conversion of shares
does not  constitute a taxable  event.  If the  conversion  feature ceased to be
available,  the Broker Class shares would not be converted and would continue to
be subject to the higher  ongoing  expenses of the Broker  Class  shares  beyond
eight years from the date of purchase. The Adviser has no reason to believe that
this condition for the availability of the conversion feature will not be met.


                             PERFORMANCE INFORMATION

From time to time,  each Fund may advertise its average  annual total return and
compare its  performance  to that of other mutual funds with similar  investment
objectives  and  to  relevant  indices.   Performance  information  is  computed
separately for those Funds in accordance with the methods discussed below.

Each Fund may include the total return of its classes in advertisements or other
written material. When a Fund advertises the total return of its shares, it will
be calculated for the one-, five-, and ten-year periods or, if such periods have
not yet elapsed,  the period since the  establishment  of that Fund. Each Fund's
performance data quoted in reports,  advertising and other promotional materials
represents past performance and is not intended to indicate future  performance.
The investment  return and principal  value for each Fund,  except for the Money
Market Fund, will fluctuate so that an investor's shares, when redeemed,  may be
worth more or less than their original costs.

COMPARATIVE INFORMATION

From time to time, each Fund's performance may be compared with recognized stock
and other  indices,  such as the Standard & Poor's  Composite  Stock Price Index
("S&P 500 Index"),  the Dow Jones Industrial  Average  ("DJIA"),  the Nasdaq 100
Stock  Index(TRADEMARK)  ("Nasdaq Index"), the Nasdaq Composite IndexTM ("Nasdaq
Composite"),  the Nikkei 225 Stock Average  ("Nikkei  Index"),  the Russell 2000
Index ("Russell 2000"),  Inter@ctive Week Internet Index ("Internet  Index") and
various other domestic,  international or global indices. The S&P 500 Index is a
broad index of common stock prices, while the DJIA represents a narrower segment
of industrial  companies.  Each assumes  reinvestment  of  distributions  and is
calculated without regard to tax consequences or operating expenses.  The Nasdaq
Composite  comparison may be provided to show how the OTC/Plus and the OTC/Short
Funds'  total  returns  compare  to the  record of a broad  average of OTC stock
prices over the same  period.  The  OTC/Plus  and the  OTC/Short  Funds have the
ability to invest in  securities  not included in the Nasdaq Index or the Nasdaq
Composite, and the OTC/Plus and the OTC/Short Funds' investment portfolio may or
may not be similar in composition to the Nasdaq Index or the Nasdaq Composite.

In addition,  a Fund's total return may be compared to the  performance of broad
groups of comparable mutual funds with similar  investment  objectives,  as such
performance is tracked and published by such independent organizations as Lipper
Analytical Services, Inc. ("Lipper"), and CDA Investment Technologies, Inc. When
Lipper's  tracking  results  are used,  the Fund will be  compared  to  Lipper's
appropriate  fund category,  that is, by fund objective and portfolio  holdings.
Since the assets in all mutual funds are always  changing,  a Fund may be ranked
within one Lipper  asset-size class at one time and in another Lipper asset-size
class at some  other  time.  Footnotes  in  advertisements  and other  marketing
literature  will  include  the time  period  and  Lipper  asset-size  class,  as


                                       32
<PAGE>

applicable,  for the  ranking  in  question.  Performance  figures  are based on
historical results and are not intended to indicate future performance.

TOTAL RETURN COMPUTATIONS

For purposes of quoting and comparing the performance of a Fund to that of other
mutual  funds and to other  relevant  market  indices  in  advertisements  or in
reports  to  shareholders,  performance  for the Fund may be  stated in terms of
total  return.  Such  average  annual  total  return  quotes  for the  Funds are
calculated according to the following formula:

                                        P(1+T)n=ERV

      Where:    P =  a hypothetical initial payment of $1,000
                T =  average annual total return
                n =  number of years (either 1, 5 or 10)
              ERV =  ending redeemable value of a hypothetical  $1,000 payment
                     made at the  beginning of the 1, 5 or 10 year  periods,  as
                     applicable, at the end of that period

Under the foregoing formula,  the time periods used in advertising will be based
on rolling calendar quarters, updated to the last day of the most recent quarter
prior to submission of the advertising for publication,  and will cover 1, 5 and
10 year periods or a shorter  period  dating from the  commencement  of a Fund's
operations.  In  calculating  the ending  redeemable  value,  all  dividends and
distributions  by a Fund are assumed to have been  reinvested at net asset value
on the reinvestment  dates during the period.  Additionally,  in calculating the
ending redeemable value for the Broker Class shares, the applicable CDSC will be
deducted.  Total return, or "T" in the formula above, is computed by finding the
average annual  compounded rates of return over the 1, 5 and 10 year periods (or
fractional portion thereof) that would equate the initial amount invested to the
ending redeemable value.

From time to time, each Fund also may include in such advertising a total return
figure that is not calculated  according to the formula set forth above in order
to compare more  accurately  the  performance  of a Fund with other  measures of
investment  return.  For example,  in comparing  the total return of a Fund with
data  published  by Lipper or with  market  indices,  each Fund  calculates  its
aggregate  total  return  for the  specified  periods  of time  by  assuming  an
investment  of $10,000 in Fund  shares and  assuming  the  reinvestment  of each
dividend  or other  distribution  at net asset value on the  reinvestment  date.
Percentage  increases  are  determined by  subtracting  the initial value of the
investment  from the ending value and by dividing the remainder by the beginning
value.

The performance provided represents historical  performance for the Funds listed
in the table below.  The remaining  Funds did not commence  operations on before
the date of this SAI.





                                       33
<PAGE>

  FUND (INVESTOR CLASS)                   PERIOD                       TOTAL
                                                                       RETURN

U.S. Plus Fund             o    October 20, 1997 (commencement
                                of operations) to  August 31,
                                1999                                   _____%

                           o    One Year ended August 31, 1999         _____%

U.S./Short Fund            o    November 7, 1997 (commencement
                                of operations) to August 31,
                                1999                                   _____%

                           o    One Year ended August 31, 1999         _____%

OTC Plus Fund              o    October 20, 1997 (commencement
                                of operations) to August 31,
                                1999                                   _____%

                           o    One Year ended August 31, 1999         _____%

OTC/Short Fund             o    October 16, 1997 (commencement
                                of operations) to August 31,
                                1999                                   _____%

                           o    One Year ended August 31, 1999         _____%


YIELD COMPUTATIONS

The Money Market Fund's annualized  current yield, as may be quoted from time to
time in  advertisements  and other  communications to shareholders and potential
investors,  is computed for a seven-day  period by  determining  the net change,
exclusive  of capital  changes  and  including  the value of  additional  shares
purchased with  dividends and any dividends  declared  therefrom  (which reflect
deductions of all expenses of the Fund such as advisory fees), in the value of a
hypothetical  preexisting account having a balance of one share at the beginning
of the period,  subtracting a hypothetical  charge  reflecting  deductions  from
shareholder accounts, and dividing the difference by the value of the account at
the  beginning  of the base  period to obtain the base period  return,  and then
multiplying the base period return by (365/7).

The Money Market Fund's  annualized  effective yield, as may be quoted from time
to time in advertisements and other communications to shareholders and potential
investors,  is computed by determining  (for the same stated seven-day period as
the current  yield) the net change,  exclusive of capital  changes and including
the value of  additional  shares  purchased  with  dividends  and any  dividends
declared therefrom (which reflect deductions of all expenses of the Fund such as
advisory  fees),  in the value of a  hypothetical  preexisting  account having a
balance of one share at the beginning of the period, and dividing the difference
by the value of the  account at the  beginning  of the base period to obtain the


                                       34
<PAGE>

base period  return,  and then  compounding  the base period return by adding 1,
raising the sum to a power equal to 365 divided by 7, and subtracting 1 from the
result, according to the following formula:

                   Effective Yield = [(Base Period Return + 1) 365/7] - 1

The yields quoted in any  advertisement or other  communication  represents past
performance and should not be considered a  representation  of the yields of the
Money Market Fund in the future since the yield is not fixed. Actual yields will
depend not only on the type, quality,  and maturities of the investments held by
the Money  Market Fund and changes in interest  rates on such  investments,  but
also on changes in the Money Market Fund's expenses during the period.

Yield information may be useful in reviewing the performance of the Money Market
Fund  and  for  providing  a  basis  for   comparison   with  other   investment
alternatives.   However,  unlike  bank  deposits  or  other  investments,  which
typically pay a fixed yield for a stated period of time, the Money Market Fund's
yield will fluctuate.

The 7-day current yield for the Money Market Fund's  Investor Class as of August
31, 1999 is ____%.

                             SHAREHOLDER INFORMATION

Each share of a Fund gives the  shareholder  one vote in  matters  submitted  to
shareholders  for a vote.  Each  class of each Fund have  equal  voting  rights,
except that, in matters affecting only a particular class or series, only shares
of that  class or series  are  entitled  to vote.  Share  voting  rights are not
cumulative,  and shares have no preemptive or conversion  rights.  Share are not
transferable.  As a Massachusetts  business trust,  the Trust is not required to
hold annual shareholder  meetings.  Shareholder approval will be sought only for
certain  changes  in a Trust's or a Fund's  operation  and for the  election  of
Trustees under certain circumstances. Trustees may be removed by the Trustees or
by shareholders at a special meeting. A special meeting of shareholders shall be
called by the Trustees upon the written request of shareholders  owning at least
10% of a Trust's outstanding shares.


                    DIVIDENDS, OTHER DISTRIBUTIONS AND TAXES

DIVIDENDS AND OTHER DISTRIBUTIONS

Dividends  from net  investment  income and any  distributions  of realized  net
capital  gains are as  described  in the  Prospectus  under  "Distributions  and
Taxes." All  distributions  from a Fund  normally are  automatically  reinvested
without charge in additional shares of that Fund.

The Money Market Fund  ordinarily  declares  dividends daily from net investment
income and distributes such dividends  monthly.  Net income, for these purposes,
includes accrued interest and accretion of original issue and market  discounts,
less  amortization of market premium and estimated  expenses,  and is calculated
immediately  prior to the determination of the Fund's net asset value per share.
The Fund distributes its net short-term  capital gain, if any,  annually but may
make more frequent  distributions thereof if necessary to maintain its net asset
value per share at $1.00 or to avoid income or excise  taxes.  The Fund does not
expect to  realize  net  long-term  capital  gain and thus  does not  anticipate


                                       35
<PAGE>

payment of any  distributions  of net capital gain (the excess of net  long-term
capital gain over net  short-term  capital  loss).  The Trustees may revise this
dividend  policy,  or  postpone  the  payment of  dividends,  if the Fund has or
anticipates  any large  unexpected  expense,  loss, or fluctuation in net assets
that, in the Trustees' opinion,  might have a significant  adverse effect on its
shareholders.

TAXES

REGULATED  INVESTMENT  COMPANY  STATUS.  Each  Fund  is  treated  as a  separate
corporation  for  Federal  income tax  purposes  and will seek to or continue to
qualify as a regulated  investment  company  ("RIC")  under  Subchapter M of the
Internal  Revenue Code of 1986, as amended  ("Code").  Because of the investment
strategies  of each Fund  other  than the  Money  Market  Fund,  there can be no
assurance  that any such Fund will qualify as a RIC. If a Fund so qualifies  and
satisfies the  distribution  requirement  under the Code for a taxable year, the
Fund will not be  subject to  Federal  income tax on the part of its  investment
company taxable income  (generally  consisting of net investment  income and net
short-term  capital  gains) and net capital  gain (the  excess of net  long-term
capital  gain  over  net   short-term   capital  loss)  it  distributes  to  its
shareholders  for that year. If a Fund fails to qualify as a RIC for any taxable
year, its taxable income, including net capital gain, will be taxed at corporate
income  tax  rates  (up  to  35%)  and it  will  not  receive  a  deduction  for
distributions to its shareholders.

To qualify for treatment as a RIC under the Code,  each Fund -- which is treated
as a  separate  corporation  for  these  purposes  --  must  distribute  to  its
shareholders  for each  taxable  year at  least  90% of its  investment  company
taxable income (consisting generally of net investment income and net short-term
capital  gain)  ("Distribution  Requirement")  and must meet several  additional
requirements.  For each Fund, these requirements include the following:  (1) the
Fund  must  derive  at least  90% of its gross  income  each  taxable  year from
dividends,  interest,  payments with respect to securities loans, and gains from
the sale or other  disposition of securities,  or other income  (including gains
from  options or futures)  derived  with respect to its business of investing in
securities ("Income  Requirement");  and (2) at the close of each quarter of the
Fund's  taxable year,  (i) at least 50% of the value of its total assets must be
represented by cash and cash items, U.S.  Government  Securities,  securities of
other RICs,  and other  securities,  with those  other  securities  limited,  in
respect of any one issuer,  to an amount that does not exceed 5% of the value of
the  Fund's  total  assets  and that  does not  represent  more  than 10% of the
issuer's outstanding voting securities,  and (ii) not more than 25% of the value
of its total assets may be invested in  securities  (other than U.S.  Government
Securities  or the  securities  of other RICs) of any one issuer  (collectively,
"Diversification Requirements").

Although  each Fund intends to satisfy or continue to satisfy all the  foregoing
requirements,  there is no  assurance  that each Fund will be able to do so. The
investment  by a Fund other than the Money Market Fund  primarily in options and
futures  positions  entails some risk that such a Fund might fail to satisfy the
Diversification Requirements.  There is some uncertainty regarding the valuation
of such  positions  for  purposes  of  those  requirements;  accordingly,  it is
possible  that the method of valuation  used by those  Funds,  pursuant to which
each of them would be treated as satisfying  the  Diversification  Requirements,
would not be accepted in an audit by the Internal Revenue  Service,  which might
apply a different method resulting in  disqualification  of one or more of those
Funds.

By qualifying for treatment as a RIC, a Fund (but not its shareholders)  will be
relieved of Federal  income tax on the part of its  investment  company  taxable
income and net capital gain that it distributes to its  shareholders.  If a Fund


                                       36
<PAGE>

failed to qualify as a RIC for any taxable  year,  it would be taxed on the full
amount of its  taxable  income  for that year  without  being able to deduct the
distributions it makes to its shareholders and the shareholders  would treat all
those distributions,  including  distributions of net capital gain, as dividends
(that is, ordinary income) to the extent of the Fund's earnings and profits.

GENERAL.  If Fund  shares are sold at a loss after  being held for six months or
less, the loss will be treated as long-term, instead of short-term, capital loss
to the  extent of any  capital  gain  distributions  received  on those  shares.
Investors  also should be aware that if shares are purchased  shortly before the
record date for any dividend or capital gain distribution,  the shareholder will
pay full price for the shares and receive  some  portion of the  purchase  price
back as a taxable distribution.

Each Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year  substantially all
of its  ordinary  income  for that  year and  capital  gain net  income  for the
one-year period ending on October 31 of that year, plus certain other amounts.

Dividends  distributed by the Fund  (including  distributions  of net short-term
capital gain),  if any, are taxable to its  shareholders  as ordinary income (at
rates up to 39.6% for  individuals),  regardless  of whether the  dividends  are
reinvested  in Fund shares or received  in cash.  Distributions  of a Fund's net
capital gain (i.e., the excess of net long-term gain over net short-term capital
loss),  if any,  are taxable to its  shareholders  as long-term  capital  gains,
regardless  of how long  they  have held  their  Fund  shares  and  whether  the
distributions are reinvested in Fund shares or received in cash. A shareholder's
sale  (redemption)  of Fund shares may result in a taxable  gain,  depending  on
whether the redemption proceeds are more or less than the adjusted basis for the
shares.  An exchange of Fund shares for shares of another portfolio of the Trust
generally will have similar consequences.

INCOME FROM FOREIGN  SECURITIES.  Dividends and interest  received by a Fund and
gains  realized by such Fund,  may be subject to income,  withholding,  or other
taxes imposed by foreign  countries and U.S.  possessions  that would reduce the
yield and/or total return on their securities.  Tax conventions  between certain
countries  and the United States may reduce or eliminate  these  foreign  taxes,
however,  and many foreign  countries  do not impose  taxes on capital  gains in
respect of investments by foreign investors.

A Fund  may  invest  in the  stock of  "passive  foreign  investment  companies"
("PFICs").  A PFIC is any foreign corporation (with certain exceptions) that, in
general,  meets  either of the  following  tests:  (1) at least 75% of its gross
income is passive or (2) an  average of at least 50% of its assets  produce,  or
are held for the production of, passive income. Under certain  circumstances,  a
Fund  will  be  subject  to  Federal  income  tax on a  portion  of any  "excess
distribution"  received on the stock of a PFIC or of any gain on  disposition of
the stock (collectively, "PFIC income"), plus interest thereon, even if the Fund
distributes  the PFIC  income as a taxable  dividend  to its  shareholders.  The
balance of the PFIC income will be  included  in the Fund's  investment  company
taxable  income and,  accordingly,  will not be taxable to it to the extent that
income is  distributed  to its  shareholders.  If the Fund invests in a PFIC and
elects to treat the PFIC as a "qualified  electing fund" ("QEF"),  then, in lieu
of the  foregoing  tax and  interest  obligation,  the Fund would be required to
include  in income  each year its PRO RATA  share of the QEF's  annual  ordinary
earnings and net capital gain -- which  probably would have to be distributed by
the Fund to satisfy the  Distribution  Requirement  and avoid  imposition of the
Excise Tax -- even if those earnings and gain were not received by the Fund from


                                       37
<PAGE>

the QEF. In most instances it will be very difficult, if not impossible, to make
this election because of certain requirements thereof.

A may elect to "mark to market" its stock in any PFIC.  "Marking-to-market,"  in
this context,  means  including in ordinary income each taxable year the excess,
if any, of the fair market  value of the PFIC's  stock over the Fund's  adjusted
basis  therein as of the end of that year.  Pursuant to the  election,  the Fund
also would be allowed to deduct (as an ordinary,  not capital, loss) the excess,
if any, of its adjusted  basis in PFIC stock over the fair market value  thereof
as of the  taxable  year-end,  but only to the extent of any net  mark-to-market
gains with respect to that stock  included by the Fund for prior  taxable  years
under the  election  (and under  regulations  proposed  in 1992 that  provided a
similar  election  with  respect  to the stock of  certain  PFICs).  The  Fund's
adjusted basis in each PFIC's stock with respect to which it makes this election
would be adjusted to reflect the amounts of income included and deductions taken
under the election.

Gains or losses (1) from the  disposition  of foreign  currencies,  (2) from the
disposition of debt  securities  denominated  in foreign  currency that, in each
instance,  are attributable to fluctuations in the value of the foreign currency
between the date of  acquisition  of the  security  and the date of  disposition
thereof,  and (3) that are  attributable  to fluctuations in exchange rates that
occur between the time a Fund accrues dividends,  interest, or other receivables
or expenses or other liabilities  denominated in a foreign currency and the time
the Fund actually  collects the receivables or pays the  liabilities,  generally
will be treated as ordinary income or loss.  These gains or losses,  referred to
under the Code as "section  988" gains or losses,  may  increase or decrease the
amount of a Fund's  investment  company  taxable income to be distributed to its
shareholders.

DISTRIBUTIONS TO FOREIGN SHAREHOLDERS. Dividends paid by a Fund to a shareholder
who, as to the United States,  is a nonresident  alien individual or nonresident
alien  fiduciary  of  a  trust  or  estate,  foreign  corporation,   or  foreign
partnership   ("foreign   shareholder")   generally  will  be  subject  to  U.S.
withholding  tax (at a rate of 30% or, if the  United  States  has an income tax
treaty with the foreign country where the foreign shareholder resides, any lower
treaty rate). An investor claiming to be a foreign  shareholder will be required
to provide a Fund with supporting documentation in order for the Fund to apply a
reduced  withholding  rate or exemption from  withholding.  Withholding will not
apply if a  dividend  paid by a Fund to a foreign  shareholder  is  "effectively
connected  with the  conduct  of a U.S.  trade or  business,"  in which case the
reporting and withholding  requirements applicable to domestic shareholders will
apply.

DERIVATIVES  STRATEGIES.  The use of  derivatives  strategies,  such as  writing
(selling) and purchasing options and futures  contracts,  involves complex rules
that will determine for income tax purposes the amount, character, and timing of
recognition  of the gains and losses a Fund  realizes in  connection  therewith.
Gains from options and futures derived by a Fund with respect to its business of
investing  in  securities  will qualify as  permissible  income under the Income
Requirement.

Certain options (including  options on "broad-based"  stock indices) and futures
in which the Funds may invest may be  "section  1256  contracts."  Section  1256
contracts  held by a Fund at the end of each  taxable  year,  other than section
1256  contracts  that are part of a "mixed  straddle"  with respect to which the
Fund has  made an  election  not to have  the  following  rules  apply,  must be
"marked-to-market"  (that is,  treated as sold for their fair market  value) for
Federal  income tax purposes,  with the result that  unrealized  gains or losses
will be treated as though they were  realized.  Sixty percent of any net gain or
loss recognized on these deemed sales,  and 60% of any net realized gain or loss


                                       38
<PAGE>

from any actual  sales of section 1256  contracts,  will be treated as long-term
capital gain or loss, and the balance will be treated as short-term capital gain
or loss. Section 1256 contracts also may be marked-to-market for purposes of the
Excise Tax.

Code  section  1092  (dealing  with  straddles)  may also affect the taxation of
options  and  futures  contracts  in which the Funds may  invest.  Section  1092
defines a "straddle" as offsetting  positions with respect to personal property;
for these purposes, options and futures contracts are personal property. Section
1092  generally  provides that any loss from the  disposition of a position in a
straddle may be deducted only to the extent the loss exceeds the unrealized gain
on the  offsetting  position(s)  of the  straddle.  Section  1092 also  provides
certain "wash sale" rules,  which apply to transactions where a position is sold
at a loss and a new offsetting  position is acquired within a prescribed period,
and  "short  sale"  rules  applicable  to  straddles.  If a Fund  makes  certain
elections, the amount,  character, and timing of recognition of gains and losses
from the affected  straddle  positions would be determined under rules that vary
according  to  the  elections  made.  Because  only  a few  of  the  regulations
implementing the straddle rules have been  promulgated,  the tax consequences to
the Funds of straddle transactions are not entirely clear.

If a call  option  written by a Fund  lapses  (I.E.,  terminates  without  being
exercised),  the  amount of the  premium  it  received  for the  option  will be
short-term  capital gain. If a Fund enters into a closing  purchase  transaction
with respect to a written call option, it will have a short-term capital gain or
loss based on the  difference  between the premium it received for the option it
wrote  and the  premium  it pays for the  option  it buys.  If such an option is
exercised and a Fund thus sells the  securities or futures  contract  subject to
the option, the premium the Fund received will be added to the exercise price to
determine  the gain or loss on the sale.  If a call option  purchased  by a Fund
lapses, it will realize  short-term or long-term capital loss,  depending on its
holding period for the security or futures contract  subject thereto.  If a Fund
exercises a purchased  call  option,  the premium it paid for the option will be
added to the basis of the subject securities or futures contract.

If a Fund has an  "appreciated  financial  position" --  generally,  an interest
(including an interest through an option,  futures contract, or short sale) with
respect  to  any  stock,  debt  instrument  (other  than  "straight  debt"),  or
partnership  interest the fair market value of which exceeds its adjusted  basis
- -- and  enters  into a  "constructive  sale" of the  position,  the Fund will be
treated as having  made an actual  sale  thereof,  with the result  that it will
recognize gain at that time. A constructive  sale generally  consists of a short
sale, an offsetting notional principal  contract,  or a futures contract entered
into by a Fund or a related  person  with  respect to the same or  substantially
identical property. In addition, if the appreciated financial position is itself
a short sale or such a  contract,  acquisition  of the  underlying  property  or
substantially  identical  property  will be  deemed  a  constructive  sale.  The
foregoing will not apply,  however,  to any transaction  during any taxable year
that  otherwise  would be treated as a constructive  sale if the  transaction is
closed  within  30 days  after  the end of that  year  and the  Fund  holds  the
appreciated financial position unhedged for 60 days after that closing (I.E., at
no time  during that 60-day  period is the Fund's  risk of loss  regarding  that
position  reduced by reason of certain  specified  transactions  with respect to
substantially  identical or related property,  such as having an option to sell,
being  contractually  obligated  to sell,  making a short  sale,  or granting an
option to buy substantially identical stock or securities).

The foregoing is only a general summary of some of the important  Federal income
tax considerations  generally affecting the Funds. No attempt is made to present
a complete  explanation  of the Federal tax treatment of their  activities,  and
this  discussion  is not  intended as a  substitute  for  careful tax  planning.


                                       39
<PAGE>

Accordingly, potential investors are urged to consult their own tax advisers for
more detailed  information  and for  information  regarding any state,  local or
foreign taxes  applicable to the Funds and to dividends and other  distributions
therefrom.


                              FINANCIAL STATEMENTS

The Trust's financial  statements for the period ended ____________,  which have
been derived from the Funds'  financial  records,  are incorporated by reference
herein this Statement of Additional  Information.  The financial  statements and
financial  highlights  of the Funds  that are  supplied  with this SAI have been
audited by  PricewaterhouseCoopers  LLP and are included herein in reliance upon
their authority as experts in accounting and auditing.



                                       40
<PAGE>


                                THE POTOMAC FUNDS

                            PART C OTHER INFORMATION


Item 23.    Exhibits
            --------

            (a)         Declaration of Trust*

            (b)         By-Laws*

            (c)         Voting trust agreement - None

            (d)(i)(A)   Form of Investment Advisory Agreement**

               (i)(B)   Amendment to Schedule A to Investment Advisory
                        Agreement+

              (ii)(A)   Form of Fund Administration Servicing Agreement**

              (ii)(B)   Form of Addendum to Fund Administration Servicing
                        Agreement++

            (e)(i)      Form of Distribution Agreement between the Potomac Funds
                        and Rafferty Capital Markets, Inc.***

              (ii)      Form of Dealer Agreement+

            (f)         Bonus, profit sharing contracts - None

            (g)(i)      Form of Custodian Agreement**

              (ii)      Form of Addendum to Custodian Agreement++

            (h)(i)(A)   Form of Transfer Agent Agreement**

               (i)(B)   Form of Addendum to Transfer Agent Agreement++

              (ii)(A)   Form of Fund Accounting Servicing Agreement**

              (ii)(B)   Form of Addendum to Fund Accounting Servicing
                        Agreement++

             (iii)      Form of Fulfillment Servicing Agreement**

            (i)         Opinion and consent of counsel+

            (j)         Consent of Independent Auditors+

            (k)         Financial statements omitted from prospectus - None


<PAGE>


            (l)         Letter of investment intent**

            (m)(i)      Investor Class Plan pursuant to Rule 12b-1+

              (ii)      Advisor Class Plan pursuant to Rule 12b-1+

              (ii)      Broker Class Plan pursuant to Rule 12b-1+

            (n)         Plan pursuant to Rule 18f-3+

- -------
*  Incorporated  herein  by  reference  from the  Trust's  Initial  Registration
Statement on Form N-1A filed with the Securities and Exchange Commission on June
6, 1997 via EDGAR, Accession No. 0000898432-97-000314.

** Incorporated  herein by reference from the  Pre-effective  Amendment No. 1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange Commission on September 17, 1997 via EDGAR, Accession No.
0000898432-97-000410.

*** Incorporated herein by reference from the Post-effective  Amendment No. 1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange Commission on June 15, 1998 via EDGAR, Accession No.
0000898432-98-000498.

+   To be filed by subsequent amendment.

++  Incorporated herein by reference from the Post-effective Amendment  No. 2 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange   Commission   on   November   30,  1998  via  EDGAR,   Accession   No.
0000898432-98-000804.

Item 24.    Persons Controlled by or under
            Common Control With Registrant
            ------------------------------

            None.

Item 25.    Indemnification
            ---------------

      Article XI, Section 2 of the Trust's Declaration of Trust provides that:

      (a) Subject to the exceptions and  limitations  contained in paragraph (b)
      below:

            (i) every  person  who is, or has been,  a Trustee or officer of the
Trust  (hereinafter  referred to as a "Covered  Person") shall be indemnified by
the Trust and/or by the  appropriate  Series to the fullest extent  permitted by
law against  liability and against all expenses  reasonably  incurred or paid by
him or her in connection with any claim,  action, suit or proceeding in which he
or she becomes involved as a party or otherwise by virtue of his or her being or


                                      C-2
<PAGE>


having been a Covered Person and against  amounts paid or incurred by him or her
in the settlement thereof;

            (ii) the words  "claim,"  "action,"  "suit," or  "proceeding"  shall
apply to all claims,  actions,  suits or proceedings (civil,  criminal or other,
including appeals),  actual or threatened while a Covered Person is in office or
thereafter,  and the words  "liability"  and "expenses"  shall include,  without
limitation,  attorneys'  fees,  costs,  judgments,  amounts paid in  settlement,
fines, penalties and other liabilities.

      (b) No indemnification shall be provided hereunder to a Covered Person:

            (i) who shall have been  adjudicated by a court or body before which
the proceeding was brought (A) to be liable to the Trust or its  Shareholders by
reason of willful misfeasance, bad faith, gross negligence or reckless disregard
of the duties  involved  in the  conduct of his or her office or (B) not to have
acted in good faith in the  reasonable  belief that his or her action was in the
best interest of the Trust; or

            (ii)  in  the  event  of a  settlement,  unless  there  has  been  a
determination  that such Covered  Person did not engage in willful  misfeasance,
bad faith,  gross negligence or reckless disregard of the duties involved in the
conduct  of his or her  office,  (A) by the court or other  body  approving  the
settlement;  (B) by at  least a  majority  of  those  Trustees  who are  neither
Interested Persons of the Trust nor parties to the matter based upon a review of
readily  available  facts  (as  opposed  to a full  trial-type  inquiry  or full
investigation);  or (C) by written  opinion of  independent  legal counsel based
upon a review of  readily  available  facts  (as  opposed  to a full  trial-type
inquiry);  provided,  however,  that any Shareholder  may, by appropriate  legal
proceedings, challenge any such determination by the Trustees, or by independent
legal counsel.

      (c) The rights of  indemnification  herein provided may be insured against
by policies maintained by the Trust, shall be severable,  shall not be exclusive
of or affect any other  rights to which any Covered  Person may now or hereafter
be entitled,  shall continue as to a person who has ceased to be such Trustee or
officer  and  shall  inure  to  the   benefit  of  the  heirs,   executors   and
administrators  of such a person.  Nothing  contained  herein  shall  affect any
rights to  indemnification  to which Trust  personnel,  other than  Trustees and
officers, and other persons may be entitled by contract or otherwise under law.

      (d) Expenses in connection  with the  preparation  and  presentation  of a
defense to any claim,  action,  suit or proceeding of the character described in
paragraph (a) of this Section 2 may be paid by the Trust from time to time prior
to final  disposition  thereof upon receipt of an undertaking by or on behalf of
such  Covered  Person  that such  amount  will be paid over by him or her to the
Trust  if it is  ultimately  determined  that  he or  she  is  not  entitled  to
indemnification under this Section 2; provided, however, that:

            (i) such Covered Person shall have provided appropriate security for
such undertaking,

            (ii) the Trust is insured  against  losses  arising  out of any such
advance payments, or

            (iii) either a majority of the  Trustees who are neither  interested
persons of the Trust nor parties to the matter,  or independent legal counsel in
a written  opinion,  shall  have  determined,  based  upon a review  of  readily
available facts (as opposed to a trial-type inquiry or full investigation), that
there is reason to believe  that such Covered  Person will be found  entitled to
indemnification under this Section 2.

      According to Article XII, Section 1 of the Declaration of Trust, the Trust
is a trust and not a  partnership.  Trustees  are not liable  personally  to any
person  extending  credit to,  contracting  with or having any claim against the


                                      C-3
<PAGE>


Trust, a particular Series or the Trustees. A Trustee, however, is not protected
from  liability  due to willful  misfeasance,  bad faith,  gross  negligence  or
reckless disregard of the duties involved in the conduct of his office.

      Article XII, Section 2 provides that, subject to the provisions of Section
1 of Article  XII and to Article XI, the  Trustees  are not liable for errors of
judgment or  mistakes  of fact or law, or for any act or omission in  accordance
with advice of counsel or other experts or for failing to follow such advice.

Item 26.    Business and Other Connections of Investment Adviser
            ----------------------------------------------------

      Rafferty Asset Management,  LLC (the "Adviser"),  1311 Mamaroneck  Avenue,
White Plains, New York 10605, offers investment  advisory services.  Information
as to the officers and  directors of the Adviser is included in its current Form
ADV filed with the  Securities  and  Exchange  Commission  (Registration  Number
801-54679) and is incorporated herein by reference.

Item 27.    Principal Underwriter
            ---------------------

      (a) Rafferty Capital Markets,  Inc., 1311 Mamaroneck Avenue, White Plains,
New York 10605, serves as principal  underwriter for the Potomac Funds,  Badgley
Funds, Homestate Group and Texas Capital Value Funds.

      (b) The director and officers of Rafferty Capital Markets, Inc. are:

                         Positions and Offices with       Position and Offices
      Name                     Underwriter                   With Registrant
      ----                     -----------                   ---------------

Thomas A. Mulrooney            President                Chief Operating Officer

Derek B. Park                  Senior Vice President,   None
                               Equity

Lawrence C. Rafferty           Director                 Chief Executive Officer,
                                                        Chairman of the Board
                                                        of Trustees

Stephen P. Sprague             CFO/FINOP                Treasurer, Controller,
                                                        and Assistant Secretary

The  principal  business  address of each of the  persons  listed  above is 1311
Mamaroneck Avenue, White Plains, New York 10605.

Item 28.    Location of Accounts and Records
            --------------------------------

      The books and records  required to be  maintained  by Section 31(a) of the
Investment Company Act of 1940 are maintained in the physical  possession of the
Potomac Funds' investment adviser,  administrator,  custodian,  subcustodian, or
transfer agent.

Item 29.    Management Services
            -------------------

                                      C-4
<PAGE>


      Not applicable.


Item 30.    Undertakings
            ------------

      Registrant  hereby  undertakes to furnish each person to whom a prospectus
is delivered a copy of its latest  annual report to  Shareholders,  upon request
and without charge.


                                      C-5
<PAGE>


                                   SIGNATURES

      Pursuant to the  requirements  of the  Securities Act of 1933, as amended,
and the  Investment  Company Act of 1940, as amended,  the  Registrant  has duly
caused this Post-Effective Amendment No. 4 to its Registration Statement on Form
N-1A to be signed on its behalf by the  undersigned,  thereunto duly authorized,
in the City of White Plains and the State of New York on September 3, 1999.

                                  POTOMAC FUNDS



                                  By:  Lawrence C. Rafferty*
                                       ------------------------
                                       Lawrence C. Rafferty
                                       Chief Executive Officer

Attest:


Timothy P. Hagan*
- --------------------
Timothy P. Hagan
Chief Financial Officer

      Pursuant to the  requirements  of the  Securities Act of 1933, as amended,
this  Post-Effective  Amendment  No. 4 to its  Registration  Statement  has been
signed  below  by the  following  persons  in the  capacities  and on the  dates
indicated.

SIGNATURE                                 TITLE                      DATE

Lawrence C. Rafferty*              Chairman of the Board       September 3, 1999
- ------------------------           of Trustees and Chief
Lawrence C. Rafferty               Executive Officer

Jay F. Higgins*                          Trustee               September 3, 1999
- ------------------
Jay F. Higgins

Daniel J. Byrne*                         Trustee               September 3, 1999
- -------------------
Daniel J. Byrne

Gerald E. Shanley III*                   Trustee               September 3, 1999
- -------------------------
Gerald E. Shanley III


Robert J. Zutz
- ---------------------------------
*Robert J. Zutz, Attorney-in-Fact


<PAGE>


                                INDEX TO EXHIBITS

Exhibit
Number            Description                                               Page
- -------           -----------                                               ----

(a)         Declaration of Trust*

(b)         By-Laws*

(c)         Voting trust agreement - None

(d)(i)(A)   Form of Investment Advisory Agreement**

   (i)(B)   Amendment to Schedule A to Investment Advisory Agreement+

   (ii)(A)  Form of Fund Administration Servicing Agreement**

   (ii)(B)  Form of Addendum to Fund Administration Servicing Agreement++

(e)(i)      Form of Distribution Agreement between the Potomac Funds and
            Rafferty Capital Markets, Inc.***

  (ii)      Form of Dealer Agreement+

(f)         Bonus, profit sharing contracts - None

(g)(i)      Form of Custodian Agreement**

  (ii)      Form of Addendum to Custodian Agreement++

(h)(i)(A)   Form of Transfer Agent Agreement**

   (i)(B)   Form of Addendum to Transfer Agent Agreement++

  (ii)(A)   Form of Fund Accounting Servicing Agreement**

  (ii)(B)   Form of Addendum to Fund Accounting Servicing Agreement++

 (iii)      Form of Fulfillment Servicing Agreement**

(i)         Opinion and consent of counsel+

(j)         Consent of Independent Auditors+

(k)         Financial statements omitted from prospectus - None

(l)         Letter of investment intent**


<PAGE>


(m)(i)      Investor Class Plan pursuant to Rule 12b-1+

  (ii)      Advisor Class Plan pursuant to Rule 12b-1+

  (ii)      Broker Class Plan pursuant to Rule 12b-1+

(n)         Financial Data Schedules (not applicable)

(o)         Plan pursuant to Rule 18f-3+
- -------
*  Incorporated  herein  by  reference  from the  Trust's  Initial  Registration
Statement on Form N-1A filed with the Securities and Exchange Commission on June
6, 1997 via EDGAR, Accession No. 0000898432-97-000314.

** Incorporated  herein by reference from the  Pre-effective  Amendment No. 1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange Commission on September 17, 1997 via EDGAR, Accession No.
0000898432-97-000410.

*** Incorporated herein by reference from the Post-effective  Amendment No. 1 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange Commission on June 15, 1998 via EDGAR, Accession No.
0000898432-98-000498.

+   To be filed by subsequent amendment.

++  Incorporated herein by reference from the Post-effective Amendment  No. 2 to
the Trust's  Registration  Statement on Form N-1A, filed with the Securities and
Exchange   Commission   on   November   30,  1998  via  EDGAR,   Accession   No.
0000898432-98-000804.


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