DEAN WITTER INFORMATIOON FUND
N-30D, 1998-06-04
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<PAGE>

DEAN WITTER INFORMATION FUND                            Two World Trade Center, 
LETTER TO THE SHAREHOLDERS March 31, 1998              New York, New York 10048


DEAR SHAREHOLDER: 

During the fiscal year ended March 31, 1998, Dean Witter Information Fund 
continued to invest in all aspects of the communications and information 
industries, choosing companies with solid demand, proven management, 
proprietary technology and strategic relationships or alliances. 

THE ENVIRONMENT 

Notable events during the year confirmed our enthusiasm for the information 
and communications industries. A continued surge in Worldwide Web advertising 
and commerce deals drove interest in holdings like America Online (AOL), 
Excite and RealNetworks. Microsoft invested $1 billion in the cable TV 
industry, and more than 100,000 Americans have begun accessing the Web via 
cable modems. Emerging telecommunications companies were driven by strong 
customer additions, initial public offerings (IPOs) and acquisitions such as 
Teleport Communications by AT&T and LCI International by Qwest Communications 
(LCI had recently acquired U.S. Long Distance). WorldCom acquired Brooks 
Fiber, AOL and CompuServe's Internet networks, and is in the process of 
acquiring MCI in the largest acquisition ever in the United States. 

In technology, large vendors continue to widen their leads over smaller 
firms, in part because, as their products and services become more strategic 
to users, purchasing decisions have moved up to the level of Chief Executive 
and even to Boards of Directors, who tend to choose low-risk vendors over 
best-of-breed products. These events show that the information revolution 
continues apace. 

PERFORMANCE REVIEW 

The past 12 months were very rewarding for U.S. stocks, and even more so for 
the Fund. The Fund's Class B shares posted a total return of 56.10 percent 
for the fiscal year versus 47.97 percent for the Standard & Poor's 500 
Composite Stock Price Index (S&P 500) and 36.44 percent for the 

<PAGE>

DEAN WITTER INFORMATION FUND 
LETTER TO THE SHAREHOLDERS March 31, 1998, continued 

Lipper Analytical Services, Inc. Science and Technology Funds Index. Since 
their inception on July 28, 1997, through March 31, 1998, the Fund's Class A, 
C and D shares posted total returns of 22.66 percent, 21.96 percent and 22.75 
percent, respectively. The performance of the Fund's four share classes 
varies because of differing sales charges and expenses. 

The accompanying chart illustrates the growth of a hypothetical investment in 
the Fund's Class B shares from inception (November 28, 1995), through the 
fiscal year ended March 31, 1998, versus similar investments in the issues 
that comprise the S&P 500 and the Lipper Science and Technology Funds Index. 

A number of market sectors helped the Fund outperform its benchmarks for the 
fiscal year. Areas of particular strength included internet-related stocks, 
radio broadcasters, emerging telecommunications carriers--both wireline and 
wireless--and companies that provide technology to the telecommunications 
industry. 

THE PORTFOLIO 

At the end of the fiscal year, net assets stood at $269 million. As of March 
31, 1998, 48 percent of the Fund's net assets was invested in information 
technology (semiconductors, equipment and software), with 27 percent in 
information services (consulting, wireline/wireless telecommunication and 
business services) and 23 percent in information distribution and content 
(media, broadcasters and cable). The balance of the portfolio was held in 
cash equivalents. Foreign stocks and American Depository Receipts (ADRs) 
represented 17 percent of net assets. ADRs are receipts for foreign stocks 
held in U.S. banks. 

Significant holdings within the Fund's major areas of interest include BMC 
Software, Saville Systems and Vitesse (information technology); America 
Online, Keane and Telebras (information services); and Chancellor, Outdoor 
Systems and Clear Channel Communications (information distribution and 
content). 

GOING FORWARD 

The fundamentals underpinning the industry sectors in which the Fund invests 
remain robust. Service providers continue to spend heavily on equipment and 
information systems as they prepare for new competition and customers with 
new-found freedom to choose providers. The group is expected to perform well 
over the long run as technology continues to gain in importance as a 
component of worldwide spending. Radio broadcast stocks also are expected to 
exhibit strength as a result of continued industry consolidation, which 
should lead to pricing power. Emerging Web-based media stocks seem likely to 
take a noticeable piece of the $184 billion U.S. advertising pie, and 
eventually some piece of the $180 billion spent annually overseas. Service 
firms that leverage new technology, such as America Online, E*Trade and the 
wireless providers, are signing up a tremendous number of new subscribers. We 
plan to participate in this growth where corporate business plans appear to 
make the most sense. 

                              2

<PAGE>
DEAN WITTER INFORMATION FUND 
LETTER TO THE SHAREHOLDERS March 31, 1998, continued 

We appreciate your support of Dean Witter Information Fund and look forward 
to continuing to serve your investment needs. 

Very truly yours, 

/s/ Charles A. Fiumefreddo 
CHARLES A. FIUMEFREDDO 
Chairman of the Board 

                              3
<PAGE>
DEAN WITTER INFORMATION FUND 
FUND PERFORMANCE March 31, 1998 

GROWTH OF $10,000-CLASS B
($ in Thousands)

$28

 24

 20                                                            $19,047

 16                                                            $13,834

 12                                                            $13,650(3)

  8

    November 28,          March 31,          March 31,          March 31,
       1995                 1996               1997               1998

- -----------------------------------------------------------------------------
               = Fund          = S&P 500(4)          = Lipper(3)
- -----------------------------------------------------------------------------

PAST PERFORMANCE IS NOT PREDICTIVE OF FUTURE RETURNS. PERFORMANCE FOR CLASS 
A, CLASS C, AND CLASS D SHARES WILL VARY FROM THE PERFORMANCE OF CLASS B 
SHARES SHOWN ABOVE DUE TO DIFFERENCES IN SALES CHARGES AND EXPENSES. 
                        AVERAGE ANNUAL TOTAL RETURNS* 
- ----------------------------------------------------------------------------- 

<TABLE>
<CAPTION>
                  CLASS B SHARES** 
- ---------------------------------------------------- 
PERIOD ENDED 3/31/98 
- -------------------------- 
<S>                            <C>          <C>
1 year                         56.10%(1)    51.10%(2) 
Since Inception (11/28/95)     15.30%(1)    14.23%(2) 
</TABLE>

<TABLE>
<CAPTION>
                  CLASS C SHARES++ 
- --------------------------------------------------- 
PERIOD ENDED 3/31/98 
- ------------------------- 
<S>                           <C>         <C>
SINCE INCEPTION (7/28/97)      21.96%(1)   20.96%(2) 
</TABLE>

<TABLE>
<CAPTION>
                  CLASS A SHARES+ 
- --------------------------------------------------- 
PERIOD ENDED 3/31/98 
- ------------------------- 
<S>               <C>                      <C>
Since Inception (7/28/97)     22.66%(1)    16.22%(2) 

</TABLE>

<TABLE>
<CAPTION>
                  CLASS D SHARES++ 
- --------------------------------------------------- 
PERIOD ENDED 3/31/98 
- ------------------------- 
<S>                           <C>            <C>
Since Inception (7/28/97)     22.75%(1) 

</TABLE>
<PAGE>
- ------------ 
(1)   Figure shown assumes reinvestment of all distributions and does not 
      reflect the deduction of any sales charges. 
(2)   Figure shown assumes reinvestment of all distributions and the deduction 
      of the maximum applicable sales charge. See the Fund's current 
      prospectus for complete details on fees and sales charges. 
(3)   Closing value after the deduction of a 3% CDSC, assuming a complete 
      redemption on March 31, 1998. 
(4)   The Standard & Poor's 500 Stock Index (S&P 500) is a broad-based index, 
      the performance of which is based on the average performance of 500 
      widely held common stocks. The performance of the Index does not include 
      any expenses, fees or charges. The Index is unmanaged and should not be 
      considered an investment. 
(5)   The Lipper Science and Technology Funds Index is an equally-weighted 
      performance index of the largest qualifying funds (based on net assets) 
      in the Lipper Science and Technology Funds objective. The Index, which 
      is adjusted for capital gains distributions and income dividends, is 
      unmanaged and should not be considered an investment. There are 
      currently 10 funds represented in this Index. 
*     For periods of less than one year, the Fund quotes its total return on a 
      non-annualized basis. 
**    The maximum contingent deferred sales charge (CDSC) for Class B shares 
      is 5.0%. The CDSC declines to 0% after six years. 
+     The maximum front-end sales charge for Class A shares is 5.25%. 
++    The maximum contingent deferred sales charge for Class C shares is 1% 
      for shares redeemed within one year of purchase. 
++    Class D shares have no sales charge. 

                                4           
<PAGE>
DEAN WITTER INFORMATION FUND 
PORTFOLIO OF INVESTMENTS March 31, 1998 

<TABLE>
<CAPTION>
 NUMBER OF 
   SHARES                                                                          VALUE 
- -----------  ---------------------------------------------------------------- -------------- 
<S>          <C>                                                              <C>
             COMMON STOCKS (98.3%) 
             Advertising (5.0%) 
   105,000   Lamar Advertising Co. (Class A)* ................................  $ 3,629,062 
    50,000   Omnicom Group, Inc. .............................................    2,353,125 
   180,000   Outdoor Systems, Inc.* ..........................................    6,311,250 
    25,000   Snyder Communications, Inc.* ....................................    1,171,875 
                                                                              -------------- 
                                                                                 13,465,312 
                                                                              -------------- 
             Broadcasting (10.9%) 
   130,000   Chancellor Media Corp. (Class A)* ...............................    5,963,750 
    50,000   Cinar Films, Inc. (Class B)(Canada)* ............................    2,125,000 
    55,000   Clear Channel Communications, Inc.* .............................    5,390,000 
    94,500   Cox Radio, Inc. (Class A)* ......................................    4,583,250 
    40,000   Heftel Broadcasting Corp. (Class A)* ............................    1,790,000 
    60,000   Jacor Communications, Inc.* .....................................    3,543,750 
    40,000   Time Warner, Inc. ...............................................    2,880,000 
    80,000   Univision Communications, Inc. (Class A)* .......................    2,980,000 
                                                                              -------------- 
                                                                                 29,255,750 
                                                                              -------------- 
             Commercial Services (0.9%) 
    20,000   FDX Corp.* ......................................................    1,422,500 
    10,000   International Network Services* .................................      290,625 
    60,000   Mecon, Inc.* ....................................................      652,500 
                                                                              -------------- 
                                                                                  2,365,625 
                                                                              -------------- 
             Communications Equipment (11.8%) 
   110,000   Advanced Fibre Communications, Inc.* ............................    4,001,250 
   100,000   Ascend Communications, Inc.* ....................................    3,787,500 
   121,000   CIENA Corp.* ....................................................    5,150,062 
    65,000   Cisco Systems, Inc.* ............................................    4,444,375 
   100,000   Digital Lightwave, Inc.* ........................................      609,375 
   120,000   Digital Microwave Corp.* ........................................    1,762,500 
    98,500   Innova Corp.* ...................................................    1,526,750 
   100,000   Natural Microsystems Corp.* .....................................    3,962,500 
    10,000   Newbridge Networks Corp. (Canada)* ..............................      268,750 
    90,000   P-COM, Inc.* ....................................................    1,800,000 
    85,000   Positron Fiber Systems Corp. (Class A)(Canada)* .................      653,437 
    10,000   Powerwave Technologies, Inc.* ...................................      131,875 
    90,000   Premisys Communications, Inc.* ..................................    2,581,875 
    50,000   Yurie Systems, Inc.* ............................................    1,209,375 
                                                                              -------------- 
                                                                                 31,889,624 
                                                                              -------------- 
             Computer Services (7.3%) 
    60,000   American Management Systems, Inc.* ..............................  $ 1,642,500 
    35,000   Checkfree Holdings Corp.* .......................................      770,000 
   140,000   Condor Technology Solutions, Inc.* ..............................    1,960,000 
    57,000   Keane, Inc.* ....................................................    3,220,500 
    55,000   PRT Group, Inc.* ................................................      536,250 
   150,000   Saville Systems Ireland PLC (ADR)(Ireland)* .....................    7,575,000 
    40,000   SunGard Data Systems, Inc.* .....................................    1,472,500 
    80,000   Unisys Corp.* ...................................................    1,520,000 
    80,000   VideoServer, Inc.* ..............................................      995,000 
                                                                              -------------- 
                                                                                 19,691,750 
                                                                              -------------- 
             Computer Software (22.2%) 
   102,300   American Software, Inc. (Class A)* ..............................      805,613 
    70,000   Aspect Development, Inc.* .......................................    3,815,000 
    40,000   Autodesk, Inc.  .................................................    1,722,500 
    90,000   BEA Systems, Inc.* ..............................................    2,531,250 
    80,000   BMC Software, Inc.* .............................................    6,705,000 
   130,000   Business Objects S.A. (ADR)(France)* ............................    1,950,000 
    90,000   Computer Associates International, Inc. .........................    5,197,500 
    90,000   Compuware Corp.* ................................................    4,438,125 
    60,000   CrossKeys Systems Corp. (Canada)* ...............................      675,000 
   120,000   Emulex Corp.* ...................................................    1,095,000 
   109,000   FlexiInternational Software, Inc.* ..............................    1,335,250 
    20,000   Genesys Telecommunications Laboratories, Inc.* ..................      757,500 
    79,000   Geoworks Corp.*  ................................................      587,563 
    50,000   Harbinger Corp.* ................................................    1,875,000 
    20,000   HBO & Co.  ......................................................    1,206,250 
    20,000   Interlink Computer Sciences, Inc.* ..............................      108,750 
    50,000   INTERSOLV, Inc.* ................................................      887,500 
    33,000   Legato Systems, Inc.* ...........................................    1,955,250 
    50,000   Lernout & Hauspie Speech Products N.V. (ADR)(Belgium)* ..........    4,350,000 
    30,000   Manugistics Group, Inc.* ........................................    1,680,000 
    40,000   Micro Focus Group PLC (ADR)(United Kingdom)* ....................    1,890,000 
    70,000   Network Associates, Inc.* .......................................    4,637,500 
   100,000   Remedy Corp.* ...................................................    1,950,000 
    50,000   VERITAS Software Corp.* .........................................    2,950,000 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                                   5
<PAGE>
DEAN WITTER INFORMATION FUND 
PORTFOLIO OF INVESTMENTS March 31, 1998, continued 

</TABLE>
<TABLE>
<CAPTION>

 NUMBER OF 
   SHARES                                                                          VALUE 
- -----------  ---------------------------------------------------------------- -------------- 
<S>          <C>                                                               <C>          
    80,000   Visio Corp.*  ................................................... $  3,410,000 
    49,100   Visual Networks, Inc.* ..........................................    1,258,188 
                                                                              -------------- 
                                                                                 59,773,739 
                                                                              -------------- 
             Computers -Systems (1.6%) 
    30,000   Dell Computer Corp.* ............................................    2,030,625 
    30,000   Storage Technology Corp.* .......................................    2,281,875 
                                                                              -------------- 
                                                                                  4,312,500 
                                                                              -------------- 
             Electronics (2.8%) 
   139,500   Anaren Microwave, Inc.* .........................................    3,069,000 
   170,000   Electronics for Imaging, Inc.* ..................................    4,420,000 
                                                                              -------------- 
                                                                                  7,489,000 
                                                                              -------------- 
             Electronics -Capital Equipment (1.9%) 
    10,000   ASM Lithography Holding N.V. (ADR)(Netherlands)* ................      923,750 
   130,000   Cymer, Inc.*  ...................................................    2,624,375 
    40,000   Newport Corp. ...................................................      782,500 
    70,000   Semitool, Inc.* .................................................      875,000 
                                                                              -------------- 
                                                                                  5,205,625 
                                                                              -------------- 
             Entertainment (2.3%) 
    45,000   Electronic Arts, Inc.* ..........................................    2,109,375 
    90,000   Gemstar International Group Ltd. (ADR)(Virgin Islands)* .........    2,688,750 
    50,000   Imax Corp. (Canada)* ............................................    1,415,625 
                                                                              -------------- 
                                                                                  6,213,750 
                                                                              -------------- 
             Internet (5.3%) 
    60,000   America Online, Inc.* ...........................................    4,098,750 
    66,000   At Home Corp. (Series A)* .......................................    2,219,250 
    50,000   E*TRADE Group, Inc.* ............................................    1,243,750 
    70,000   Icon CMT Corp.* .................................................    1,085,000 
   129,000   RealNetworks, Inc.*  ............................................    3,708,750 
    60,000   Ticketmaster Group, Inc.*  ......................................    1,803,750 
                                                                              -------------- 
                                                                                 14,159,250 
                                                                              -------------- 
             Media (4.7%) 
    30,000   Scripps (E.W.) Co. (Class A) ....................................    1,659,375 
    40,000   Sinclair Broadcast Group, Inc. (Class A)* .......................    2,302,500 
   120,000   Tele-Communications Liberty Media Group (Class A)* ..............    4,117,500 
    85,000   Viacom, Inc. (Class B)* .........................................    4,568,750 
                                                                              -------------- 
                                                                                 12,648,125 
                                                                              -------------- 
             Semiconductors (7.6%) 
   100,000   Adaptec, Inc.* .................................................. $  1,962,500 
   175,200   Galileo Technology, Ltd. (ADR)(Israel)* .........................    4,818,000 
    50,000   Intel Corp. .....................................................    3,900,000 
    34,900   Kopin Corp.* ....................................................      612,931 
    50,000   Sheldahl, Inc.* .................................................      556,250 
    30,000   Texas Instruments, Inc. .........................................    1,623,750 
   100,000   Vitesse Semiconductor Corp.* ....................................    4,700,000 
    60,000   Xilinx, Inc.*  ..................................................    2,246,250 
                                                                              -------------- 
                                                                                 20,419,681 
                                                                              -------------- 
             Telecommunications (7.9%) 
    70,000   Intermedia Communications, Inc.* ................................    5,573,750 
   100,000   LCI International, Inc.* ........................................    3,850,000 
    40,000   Pacific Gateway Exchange, Inc.* .................................    2,275,000 
    32,000   Portugal Telecom S.A. (ADR)(Portugal) ...........................    1,678,000 
    35,000   RCN Corp.* ......................................................    1,741,250 
    30,000   Telecom Italia SpA (ADR)(Italy) .................................    2,383,125 
    60,000   PT Telekomunikasi Indonesia (ADR)(Indonesia) ....................      588,750 
    50,000   Teligent, Inc. (Class A)* .......................................    1,543,750 
    40,000   WinStar Communications, Inc.* ...................................    1,712,500 
                                                                              -------------- 
                                                                                 21,346,125 
                                                                              -------------- 
<PAGE>
             Wireless Communication (6.1%) 
    45,000   Airtouch Communications, Inc.* ..................................    2,202,188 
    40,000   Iridium World Communications, Ltd. (Class A)* ...................    2,490,000 
     4,030   Mannesman AG (Germany) ..........................................    2,951,439 
    50,000   Millicom International Cellular S.A. (Luxembourg)* ..............    2,200,000 
   500,000   Telecom Italia Mobile SpA (Italy) ...............................    2,688,718 
    30,000   Telecomunicacoes Brasileiras S.A. (ADR)(Brazil) .................    3,894,375 
                                                                              -------------- 
                                                                                 16,426,720 
                                                                              -------------- 
             TOTAL COMMON STOCKS 
             (Identified Cost $202,826,847) ..................................  264,662,576 
                                                                              -------------- 
</TABLE>
                      SEE NOTES TO FINANCIAL STATEMENTS 

                                   6
<PAGE>
DEAN WITTER INFORMATION FUND 
PORTFOLIO OF INVESTMENTS March 31, 1998, continued 

<TABLE>
<CAPTION>
 PRINCIPAL 
 AMOUNT IN 
 THOUSANDS                                                                        VALUE 
- ------------------------------------------------------------------------------------------------ 
<S>          <C>                                                                    <C>

             SHORT-TERM INVESTMENT (A)(2.4%) 
             U.S. GOVERNMENT AGENCY 
             Federal Home Loan Mortgage Corp. 5.48% due 04/01/98 (Amortized 
   $6,500    Cost $6,500,000) ..............................................          $  6,500,000 
                                                                                      ------------ 
<CAPTION>
<S>                              <C>          <C>
TOTAL INVESTMENTS 
(IDENTIFIED COST $209,326,847)(B) .......................................... 100.7%    271,162,576 

LIABILITIES IN EXCESS OF CASH 
AND OTHER ASSETS ...........................................................  (0.7)     (1,859,962) 
                                                                             -----    ------------
NET ASSETS ................................................................. 100.0%   $269,302,614 
                                                                             =====    ============

</TABLE>

- ------------ 
ADR      American Depository Receipt. 
*        Non-income producing security. 
(a)      Security was purchased on a discount basis. The interest rate shown 
         has been adjusted to reflect a money market equivalent yield. 
(b)      The aggregate cost for federal income tax purposes approximates 
         identified cost. The aggregate gross unrealized appreciation is 
         $66,391,035 and the aggregate gross unrealized depreciation is 
         $4,555,306, resulting in net unrealized appreciation of $61,835,729. 

                                7           
<PAGE>
DEAN WITTER INFORMATION FUND 
FINANCIAL STATEMENTS 

STATEMENT OF ASSETS AND LIABILITIES 
March 31, 1998 

<TABLE>
<CAPTION>
<S>                                          <C>
 ASSETS: 
Investments in securities, at value 
 (identified cost $209,326,847).............    $271,162,576 
Cash........................................       2,957,749 
Receivable for: 
  Investments sold .........................       9,297,272 
  Shares of beneficial interest sold  ......         206,288 
  Dividends.................................          17,388 
Deferred organizational expenses............          95,438 
Prepaid expenses and other assets...........          92,997 
                                              -------------- 
  TOTAL ASSETS .............................     283,829,708 
                                              -------------- 
LIABILITIES: 
Payable for: 
  Investments purchased.....................      13,856,471 
  Plan of distribution fee..................         229,530 
  Shares of beneficial interest 
   repurchased..............................         200,742 
  Investment management fee.................         172,934 
Accrued expenses............................          67,417 
                                              -------------- 
  TOTAL LIABILITIES ........................      14,527,094 
                                              -------------- 
  NET ASSETS ...............................    $269,302,614 
                                              ============== 
COMPOSITION OF NET ASSETS: 
Paid-in-capital ............................    $195,109,859 
Net unrealized appreciation ................      61,835,729 
Net investment loss.........................             (93) 
Accumulated undistributed net realized 
 gain.......................................      12,357,119 
                                              -------------- 
  NET ASSETS ...............................    $269,302,614 
                                              ============== 
CLASS A SHARES: 
Net Assets..................................        $205,769 
Shares Outstanding (unlimited authorized, 
 $.01 par value)............................          14,682 
  NET ASSET VALUE PER SHARE ................          $14.02 
                                              ============== 
  MAXIMUM OFFERING PRICE PER SHARE 
   (net asset value plus 5.54% of net 
   asset value).............................          $14.80 
                                              ============== 
CLASS B SHARES: 
Net Assets..................................    $267,384,459 
Shares Outstanding (unlimited authorized, 
 $.01 par value)............................      19,180,309 
  NET ASSET VALUE PER SHARE ................          $13.94 
                                              ============== 
CLASS C SHARES: 
Net Assets..................................    $    248,750 
Shares Outstanding (unlimited authorized, 
 $.01 par value)............................          17,839 
  NET ASSET VALUE PER SHARE ................          $13.94 
                                              ============== 
CLASS D SHARES: 
Net Assets..................................    $  1,463,636 
Shares Outstanding (unlimited authorized, 
 $.01 par value)............................         104,357 
  NET ASSET VALUE PER SHARE ................    $      14.03 
                                              ============== 
</TABLE>

Statement of Operations 
For the year ended March 31, 1998* 

<TABLE>
<CAPTION>
<S>                                            <C>
NET INVESTMENT INCOME: 
INCOME 
Dividends (net of $64,118 foreign withholding 
 tax).........................................   $    604,787 
Interest......................................        598,848 
                                                ------------- 
  TOTAL INCOME ...............................      1,203,635 
                                                ------------- 
EXPENSES 
Plan of distribution fee (Class A shares) ....            193 
Plan of distribution fee (Class B shares) ....      2,387,929 
Plan of distribution fee (Class C shares) ....            554 
Investment management fee.....................      1,793,392 
Transfer agent fees and expenses..............        465,618 
Professional fees.............................         50,834 
Shareholder reports and notices...............         48,839 
Registration fees.............................         43,520 
Custodian fees................................         40,165 
Organizational expenses.......................         35,839 
Trustees' fees and expenses...................         15,407 
Other.........................................         11,603 
                                                ------------- 
  TOTAL EXPENSES .............................      4,893,893 
                                                ------------- 
  NET INVESTMENT LOSS ........................     (3,690,258) 
                                                ------------- 
NET REALIZED AND UNREALIZED GAIN: 
Net realized gain.............................     47,488,489 
Net change in unrealized depreciation ........     61,837,292 
                                                ------------- 
  NET GAIN ...................................    109,325,781 
                                                ------------- 
NET INCREASE .................................   $105,635,523 
                                                ============= 
</TABLE>

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

* Class A, Class C and Class D shares were issued July 28, 1997. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                                   8
<PAGE>
DEAN WITTER INFORMATION FUND 
FINANCIAL STATEMENTS, continued 

 

<TABLE>
<CAPTION>
STATEMENT OF CHANGES IN NET ASSETS
                                                           FOR THE YEAR    FOR THE YEAR 
                                                              ENDED           ENDED 
                                                            MARCH 31,       MARCH 31, 
                                                              1998*            1997 
- ----------------------------------------------------    -------------   ------------ 
<S>                                                     <C>             <C>
INCREASE (DECREASE) IN NET ASSETS: 
OPERATIONS: 
Net investment loss....................................     $ (3,690,258)  $ (3,163,565) 
Net realized gain (loss)...............................       47,488,489    (32,902,627) 
Net change in unrealized depreciation .................       61,837,292    (12,858,100) 
                                                         --------------- -------------- 
  NET INCREASE (DECREASE)..............................      105,635,523    (48,924,292) 
Net increase (decrease) from transactions in shares of 
 beneficial interest...................................      (50,059,140)    55,329,540 
                                                         --------------- -------------- 
  NET INCREASE ........................................       55,576,383      6,405,248 
NET ASSETS: 
Beginning of period....................................      213,726,231    207,320,983 
                                                         --------------- -------------- 
  END OF PERIOD 
  (Including a net investment loss of $93 
  and $0, respectively)................................     $269,302,614   $213,726,231 
                                                         =============== ============== 
</TABLE>

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

* Class A, Class C and Class D shares were issued July 28, 1997. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                                   9

<PAGE>
DEAN WITTER INFORMATION FUND 
NOTES TO FINANCIAL STATEMENTS March 31, 1998 

1. ORGANIZATION AND ACCOUNTING POLICIES 

Dean Witter Information Fund (the "Fund") is registered under the Investment 
Company Act of 1940, as amended (the "Act"), as a diversified, open-end 
management investment company. The Fund's investment objective is long-term 
capital appreciation. The Fund seeks to achieve its investment objective by 
investing primarily in common stocks and securities convertible into common 
stocks of domestic and foreign companies which are involved in the 
communications and information industry. The Fund was organized as a 
Massachusetts business trust on December 8, 1994 and commenced operations on 
November 28, 1995. On July 28, 1997, the Fund commenced offering three 
additional classes of shares, with the then current shares designated as 
Class B shares. 

The Fund offers Class A shares, Class B shares, Class C shares and Class D 
shares. The four classes are substantially the same except that most Class A 
shares are subject to a sales charge imposed at the time of purchase, some 
Class A shares, and most Class B shares and Class C shares are subject to a 
contingent deferred sales charge imposed on shares redeemed within one year, 
six years and one year, respectively. Class D shares are not subject to a 
sales charge. Additionally, Class A shares, Class B shares and Class C shares 
incur distribution expenses. 

The preparation of financial statements in accordance with generally accepted 
accounting principles requires management to make estimates and assumptions 
that affect the reported amounts and disclosures. Actual results could differ 
from those estimates. 

The following is a summary of significant accounting policies: 

A. VALUATION OF INVESTMENTS -- (1) an equity security listed or traded on the 
New York, American or other domestic or foreign stock exchange is valued at 
its latest sale price on that exchange prior to the time when assets are 
valued; if there were no sales that day, the security is valued at the latest 
bid price (in cases where securities are traded on more than one exchange, 
the securities are valued on the exchange designated as the primary market 
pursuant to procedures adopted by the Trustees); (2) all other portfolio 
securities for which over-the-counter market quotations are readily available 
are valued at the latest available bid price prior to the time of valuation; 
(3) when market quotations are not readily available, including circumstances 
under which it is determined by Dean Witter InterCapital Inc. (the 
"Investment Manager") that sale or bid prices are not reflective of a 
security's market value, portfolio securities are valued at their fair value 
as determined in good faith under procedures established by and under the 
general supervision of the Trustees; and (4) short-term debt securities 
having a maturity date of more than sixty days at time of purchase are valued 
on a mark-to-market basis until sixty days prior to 

				10


<PAGE>
DEAN WITTER INFORMATION FUND 
NOTES TO FINANCIAL STATEMENTS March 31, 1998, continued 

maturity and thereafter at amortized cost based on their value on the 61st 
day. Short-term debt securities having a maturity date of sixty days or less 
at the time of purchase are valued at amortized cost. 

B. ACCOUNTING FOR INVESTMENTS -- Security transactions are accounted for on 
the trade date (date the order to buy or sell is executed). Realized gains 
and losses on security transactions are determined by the identified cost 
method. Dividend income and other distributions are recorded on the 
ex-dividend date except for certain dividends on foreign securities which are 
recorded as soon as the Fund is informed after the ex-dividend date. 
Discounts are accreted over the life of the respective securities. Interest 
income is accrued daily. 

C. MULTIPLE CLASS ALLOCATIONS -- Investment income, expenses (other than 
distribution fees), and realized and unrealized gains and losses are 
allocated to each class of shares based upon the relative net asset value on 
the date such items are recognized. Distribution fees are charged directly to 
the respective class. 

D. FOREIGN CURRENCY TRANSLATION -- The books and records of the Fund are 
maintained in U.S. dollars as follows: (1) the foreign currency market value 
of investment securities, other assets and liabilities and forward foreign 
currency contracts are translated at the exchange rates prevailing at the end 
of the period; and (2) purchases, sales, income and expenses are translated 
at the exchange rates prevailing on the respective dates of such 
transactions. The resultant exchange gains and losses are included in the 
Statement of Operations as realized and unrealized gain/loss on foreign 
exchange transactions. Pursuant to U.S. Federal income tax regulations, 
certain foreign exchange gains/losses included in realized and unrealized 
gain/loss are included in or are a reduction of ordinary income for federal 
income tax purposes. The Fund does not isolate that portion of the results of 
operations arising as a result of changes in the foreign exchange rates from 
the changes in the market prices of the securities. 

E. FORWARD FOREIGN CURRENCY CONTRACTS -- The Fund may enter into forward 
foreign currency contracts which are valued daily at the appropriate exchange 
rates. The resultant unrealized exchange gains and losses are included in the 
Statement of Operations as unrealized foreign currency gain or loss and in 
the Statement of Assets and Liabilities as part of the related foreign 
currency denominated asset or liability. The Fund records realized gains or 
losses on delivery of the currency or at the time the forward contract is 
extinguished (compensated) by entering into a closing transaction prior to 
delivery. 

F. FEDERAL INCOME TAX STATUS -- It is the Fund's policy to comply with the 
requirements of the Internal Revenue Code applicable to regulated investment 
companies and to distribute all of its taxable income to its shareholders. 
Accordingly, no federal income tax provision is required. 

				11


<PAGE>
DEAN WITTER INFORMATION FUND 
NOTES TO FINANCIAL STATEMENTS March 31, 1998, continued 

G. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS -- The Fund records dividends 
and distributions to its shareholders on the ex-dividend date. The amount of 
dividends and distributions from net investment income and net realized 
capital gains are determined in accordance with federal income tax 
regulations which may differ from generally accepted accounting principles. 
These "book/tax" differences are either considered temporary or permanent in 
nature. To the extent these differences are permanent in nature, such amounts 
are reclassified within the capital accounts based on their federal tax-basis 
treatment; temporary differences do not require reclassification. Dividends 
and distributions which exceed net investment income and net realized capital 
gains for financial reporting purposes but not for tax purposes are reported 
as dividends in excess of net investment income or distributions in excess of 
net realized capital gains. To the extent they exceed net investment income 
and net realized capital gains for tax purposes, they are reported as 
distributions of paid-in-capital. 

H. ORGANIZATIONAL EXPENSES -- The Investment Manager paid the organizational 
expenses of the Fund in the amount of approximately $179,000 which have been 
reimbursed for the full amount thereof. Such expenses have been deferred and 
are being amortized on the straight-line method over a period not to exceed 
five years from commencement of operations. 

2. INVESTMENT MANAGEMENT AGREEMENT 

Pursuant to an Investment Management Agreement, the Fund pays the Investment 
Manager a management fee, accrued daily and payable monthly, by applying the 
following annual rates to the net assets of the Fund determined as of the 
close of each business day: 0.75% to the portion of daily net assets not 
exceeding $500 million; and 0.725% to the portion of daily net assets 
exceeding $500 million. 

Under the terms of the Agreement, in addition to managing the Fund's 
investments, the Investment Manager maintains certain of the Fund's books and 
records and furnishes, at its own expense, office space, facilities, 
equipment, clerical, bookkeeping and certain legal services and pays the 
salaries of all personnel, including officers of the Fund who are employees 
of the Investment Manager. The Investment Manager also bears the cost of 
telephone services, heat, light, power and other utilities provided to the 
Fund. 

3. PLAN OF DISTRIBUTION 

Shares of the Fund are distributed by Dean Witter Distributors Inc. (the 
"Distributor"), an affiliate of the Investment Manager. The Fund has adopted 
a Plan of Distribution (the "Plan") pursuant to Rule 12b-1 under the Act. The 
Plan provides that the Fund will pay the Distributor a fee which is accrued 
daily and paid monthly at the following annual rates: (i) Class A - up to 
0.25% of the average daily net assets of 

                                   12


<PAGE>
DEAN WITTER INFORMATION FUND 
NOTES TO FINANCIAL STATEMENTS March 31, 1998, continued 

Class A; (ii) Class B - 1.0% of the lesser of: (a) the average daily aggregate 
gross sales of the Class B shares since the inception of the Fund (not 
including reinvestment of dividend or capital gain distributions) less the 
average daily aggregate net asset value of the Class B shares redeemed since 
the Fund's inception upon which a contingent deferred sales charge has been 
imposed or waived; or (b) the average daily net assets of Class B; and (iii) 
Class C -up to 1.0% of the average daily net assets of Class C. In the case 
of Class A shares, amounts paid under the Plan are paid to the Distributor 
for services provided. In the case of Class B and Class C shares, amounts 
paid under the Plan are paid to the Distributor for services provided and the 
expenses borne by it and others in the distribution of the shares of these 
Classes, including the payment of commissions for sales of these Classes and 
incentive compensation to, and expenses of, the account executives of Dean 
Witter Reynolds Inc. ("DWR"), an affiliate of the Investment Manager and 
Distributor, and others who engage in or support distribution of the shares 
or who service shareholder accounts, including overhead and telephone 
expenses; printing and distribution of prospectuses and reports used in 
connection with the offering of these shares to other than current 
shareholders; and preparation, printing and distribution of sales literature 
and advertising materials. In addition, the Distributor may utilize fees paid 
pursuant to the Plan, in the case of Class B shares, to compensate DWR and 
other selected broker-dealers for their opportunity costs in advancing such 
amounts, which compensation would be in the form of a carrying charge on any 
unreimbursed expenses. 

In the case of Class B shares, provided that the Plan continues in effect, 
any cumulative expenses incurred by the Distributor but not yet recovered may 
be recovered through the payment of future distribution fees from the Fund 
pursuant to the Plan and contingent deferred sales charges paid by investors 
upon redemption of Class B shares. Although there is no legal obligation for 
the Fund to pay expenses incurred in excess of payments made to the 
Distributor under the Plan and the proceeds of contingent deferred sales 
charges paid by investors upon redemption of shares, if for any reason the 
Plan is terminated, the Trustees will consider at that time the manner in 
which to treat such expenses. The Distributor has advised the Fund that such 
excess amounts, including carrying charges, totaled $11,792,699 at March 31, 
1998. 

In the case of Class A shares and Class C shares, expenses incurred pursuant 
to the Plan in any calendar year in excess of 0.25% or 1.0% of the average 
daily net assets of Class A or Class C, respectively, will not be reimbursed 
by the Fund through payments in any subsequent year, except that expenses 
representing a gross sales credit to account executives may be reimbursed in 
the subsequent calendar year. For the period ended March 31, 1998, the 
distribution fee was accrued for Class A shares and Class C shares at the 
annual rate of 0.23% and 1.0%, respectively. 

                                   13

<PAGE>
DEAN WITTER INFORMATION FUND 
NOTES TO FINANCIAL STATEMENTS March 31, 1998, continued 

The Distributor has informed the Fund that for the period ended March 31, 
1998, it received contingent deferred sales charges from certain redemptions 
of the Fund's Class A shares, Class B shares and Class C shares of $5, 
$957,856 and $94, respectively and received $7,180 in front-end sales charges 
from sales of the Fund's Class A shares. The respective shareholders pay such 
charges which are not an expense of the Fund. 

4. SECURITY TRANSACTIONS AND TRANSACTIONS WITH AFFILIATES 

The cost of purchases and proceeds from sales of portfolio securities, 
excluding short-term investments, for the year ended March 31, 1998 
aggregated $493,143,825, and $530,473,117, respectively. 

For the year ended March 31, 1998, the Fund incurred brokerage commissions of 
$70,244 with DWR for portfolio transactions executed on behalf of the Fund. 
At March 31, 1998, the Fund's receivable for investments sold and payable for 
investments purchased included unsettled trades with DWR of $851,097 and 
$691,750, respectively. 

For the period May 31, 1997 through March 31, 1998, the Fund incurred 
brokerage commissions of $20,370 with Morgan Stanley & Co., Inc., an 
affiliate of the Investment Manager since May 31, 1997, for portfolio 
transactions executed on behalf of the Fund. At March 31, 1998, the Fund's 
receivable for investments sold and payable for investments purchased 
included unsettled trades with Morgan Stanley & Co., Inc. of $528,970 and 
$625,500, respectively. 

Morgan Stanley Dean Witter Trust FSB, an affiliate of the Investment Manager 
and Distributor, is the Fund's transfer agent. At March 31, 1998, the Fund 
had transfer agent fees and expenses payable of approximately $5,500. 

5. FEDERAL INCOME TAX STATUS 

During the year ended March 31, 1998, the Fund utilized its net capital loss 
carryover of approximately $19,088,000. 

As of March 31, 1998, the Fund had temporary book/tax differences primarily 
attributable to capital loss deferrals on wash sales and permanent book/tax 
differences primarily attributable to a net operating loss. To reflect 
reclassifications arising from the permanent differences, paid-in-capital was 
charged $3,702,150, net investment loss was credited $3,690,165 and 
accumulated undistributed net realized gain was credited $11,985. 

                                   14

<PAGE>
DEAN WITTER INFORMATION FUND 
NOTES TO FINANCIAL STATEMENTS March 31, 1998, continued 


<TABLE>
<CAPTION>
6. SHARES OF BENEFICIAL INTEREST 

Transactions in shares of beneficial interest were as follows: 

                                             FOR THE YEAR                    FOR THE YEAR 
                                                ENDED                            ENDED 
                                            MARCH 31, 1998                  MARCH 31, 1997 
                                   -------------------------------- ------------------------------- 
                                        SHARES          AMOUNT           SHARES          AMOUNT 
                                   --------------- ---------------  --------------- -------------- 
<S>                                <C>             <C>              <C>             <C>                    
CLASS A SHARES* 
Sold..............................        15,349     $    178,877          --              -- 
Reedemed..........................          (667)          (8,097)         --              -- 
                                   --------------- ---------------  --------------- -------------- 
Net increase-Class A.............        14,682          170,780          --              -- 
                                   --------------- ---------------  --------------- -------------- 
CLASS B SHARES 
Sold..............................     3,649,152       42,792,430      12,321,396     $136,279,927 
Redeemed..........................    (8,387,989)     (94,589,565)     (7,831,515)     (80,950,387) 
                                   --------------- ---------------  --------------- -------------- 
Net increase (decrease)-Class B .    (4,738,837)     (51,797,135)      4,489,881       55,329,540 
                                   --------------- ---------------  --------------- -------------- 
CLASS C SHARES* 
Sold..............................        19,252          242,097          --              -- 
Redeemed..........................        (1,413)         (17,311)         --              -- 
                                   --------------- ---------------  --------------- -------------- 
Net increase-Class C.............        17,839          224,786          --              -- 
                                   --------------- ---------------  --------------- -------------- 
CLASS D SHARES* 
Sold..............................       104,357        1,342,429          --              -- 
                                   --------------- ---------------  --------------- -------------- 
Net increase (decrease) in Fund ..    (4,601,959)    $(50,059,140)      4,489,881     $ 55,329,540 
                                   =============== ===============  =============== ============== 
</TABLE>

- ------------ 
*     For the period July 28, 1997 (issue date) through March 31, 1998. 

7. PURPOSES OF AND RISKS RELATING TO CERTAIN FINANCIAL INSTRUMENTS 

The Fund may enter into forward foreign currency contracts ("forward 
contracts") to facilitate settlement of foreign currency denominated 
portfolio transactions or to manage foreign currency exposure associated with 
foreign currency denominated securities. 

Forward contracts involve elements of market risk in excess of the amounts 
reflected in the Statement of Assets and Liabilities. The Fund bears the risk 
of an unfavorable change in the foreign exchange rates underlying the forward 
contracts. Risks may also arise upon entering into these contracts from the 
potential inability of the counterparties to meet the terms of their 
contracts. 

At March 31, 1998, there were no outstanding forward foreign currency 
contracts. 

                                   15

<PAGE>
DEAN WITTER INFORMATION FUND 
FINANCIAL HIGHLIGHTS 


<TABLE>
<CAPTION>
Selected ratios and per share data for a share of beneficial interest 
outstanding throughout each period: 

                                                       FOR THE YEAR                     FOR THE PERIOD 
                                                          ENDED         FOR THE YEAR  NOVEMBER 28, 1995* 
                                                        MARCH 31,          ENDED            THROUGH 
                                                         1998**++      MARCH 31, 1997   MARCH 31, 1996 
- --------------------------------------------------  ----------------- --------------  ------------------ 
<S>                                                 <C>               <C>             <C>
CLASS B SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period ..............       $ 8.94          $ 10.67           $10.00 
                                                    ----------------- --------------  ------------------ 
Net investment loss ...............................        (0.18)           (0.13)           (0.01) 
Net realized and unrealized gain (loss)  ..........         5.18            (1.60)            0.69 
                                                    ----------------- --------------  ------------------ 
Total from investment operations ..................         5.00            (1.73)            0.68 
                                                    ----------------- --------------  ------------------ 
Less dividends in excess of net investment income           --               --              (0.01) 
                                                    ----------------- --------------  ------------------ 
Net asset value, end of period ....................       $13.94          $  8.94           $10.67 
                                                    ================= ==============  ================== 
TOTAL INVESTMENT RETURN+ ..........................        56.10 %         (16.31)%           6.77 %(1) 
RATIOS TO AVERAGE NET ASSETS: 
Expenses ..........................................         2.05 %           2.01 %           2.31 %(2) 
Net investment loss ...............................        (1.54)%          (1.16)%          (0.51)%(2) 
SUPPLEMENTAL DATA: 
Net assets, end of period, in thousands  ..........     $267,384         $213,726         $207,321 
Portfolio turnover rate ...........................          218 %            132 %              8 %(1) 
Average commission rate paid ......................      $0.0498          $0.0527          $0.0496 
</TABLE>

- ------------ 
  *   Commencement of operations. 
 **   Prior to July 28, 1997, the Fund issued one class of shares. All shares 
      of the Fund held prior to that date have been designated Class B 
      shares. 
  ++  The per share amounts were computed using an average number of shares 
      outstanding during the period. 
  +   Does not reflect the deduction of sales charge. Calculated based on the 
      net asset value as of the last business day of the period. 
 (1)  Not annualized. 
 (2)  Annualized. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                                   16

<PAGE>
DEAN WITTER INFORMATION FUND 
FINANCIAL HIGHLIGHTS, continued 

<TABLE>
<CAPTION>
                                          FOR THE PERIOD 
                                          JULY 28, 1997* 
                                             THROUGH 
                                            MARCH 31, 
                                              1998++ 
- ---------------------------------------  --------------- 
<S>                                      <C>
CLASS A SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period  ..     $  11.43 
                                         --------------- 
Net investment loss ....................        (0.08) 
Net realized and unrealized gain  ......         2.67 
                                         --------------- 
Total from investment operations  ......         2.59 
                                         --------------- 
Net asset value, end of period .........     $  14.02 
                                         =============== 
TOTAL INVESTMENT RETURN+ ...............        22.66 %(1) 

RATIOS TO AVERAGE NET ASSETS: 
Expenses................................         1.27 %(2) 
Net investment loss.....................        (0.93)%(2) 

SUPPLEMENTAL DATA: 
Net assets, end of period, in 
 thousands..............................     $    206 
Portfolio turnover rate.................          218 % 
Average commission rate paid............     $0.0498 

CLASS C SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period  ..     $  11.43 
                                         --------------- 
Net investment loss.....................        (0.14) 
Net realized and unrealized gain  ......         2.65 
                                         --------------- 
Total from investment operations .......         2.51 
                                         --------------- 
Net asset value, end of period..........     $  13.94 
                                         =============== 
TOTAL INVESTMENT RETURN+ ...............        21.96 %(1) 

RATIOS TO AVERAGE NET ASSETS: 
Expenses................................         2.05 %(2) 
Net investment loss.....................        (1.72)%(2) 

SUPPLEMENTAL DATA: 
Net assets, end of period, in 
 thousands..............................     $    249 
Portfolio turnover rate.................          218 % 
Average commission rate paid............     $0.0498 
</TABLE>

- ------------ 
  *   The date shares were first issued. 
  ++  The per share amounts were computed using an average number of shares 
      outstanding during the period. 
  +   Does not reflect the deduction of sales charge. Calculated based on the 
      net asset value as of the last business day of the period. 
 (1)  Not annualized. 
 (2)  Annualized. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                                   17

<PAGE>
DEAN WITTER INFORMATION FUND 
FINANCIAL HIGHLIGHTS, continued 

<TABLE>
<CAPTION>
                                          FOR THE PERIOD 
                                          JULY 28, 1997* 
                                             THROUGH 
                                            MARCH 31, 
                                              1998++ 
- ---------------------------------------  --------------- 
<S>                                      <C>
CLASS D SHARES 
PER SHARE OPERATING PERFORMANCE: 
Net asset value, beginning of period  ..     $  11.43 
                                         --------------- 
Net investment loss.....................        (0.07) 
Net realized and unrealized gain  ......         2.67 
                                         --------------- 
Total from investment operations .......         2.60 
                                         --------------- 
Net asset value, end of period..........     $  14.03 
                                         =============== 
 TOTAL INVESTMENT RETURN+ ..............        22.75 %(1) 
RATIOS TO AVERAGE NET ASSETS: 
Expenses................................         1.04 %(2) 
Net investment loss.....................        (0.82)%(2) 
 SUPPLEMENTAL DATA: 
Net assets, end of period, in 
 thousands..............................      $ 1,464 
Portfolio turnover rate.................          218 % 
Average commission rate paid............      $0.0498 
</TABLE>

- ------------ 
  *   The date shares were first issued. 
  ++  The per share amounts were computed using an average number of shares 
      outstanding during the period. 
  +   Calculated based on the net asset value as of the last business day of 
      the period. 
 (1)  Not annualized. 
 (2)  Annualized. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                                   18

<PAGE>
DEAN WITTER INFORMATION FUND 
REPORT OF INDEPENDENT ACCOUNTANTS 

TO THE SHAREHOLDERS AND TRUSTEES 
OF DEAN WITTER INFORMATION FUND 

In our opinion, the accompanying statement of assets and liabilities, 
including the portfolio of investments, and the related statements of 
operations and of changes in net assets and the financial highlights present 
fairly, in all material respects, the financial position of Dean Witter 
Information Fund (the "Fund") at March 31, 1998, the results of its 
operations for the year then ended, the changes in its net assets for each of 
the two years in the period then ended and the financial highlights for each 
of the periods presented, in conformity with generally accepted accounting 
principles. These financial statements and financial highlights (hereafter 
referred to as "financial statements") are the responsibility of the Fund's 
management; our responsibility is to express an opinion on these financial 
statements based on our audits. We conducted our audits of these financial 
statements in accordance with generally accepted auditing standards which 
require that we plan and perform the audit to obtain reasonable assurance 
about whether the financial statements are free of material misstatement. An 
audit includes examining, on a test basis, evidence supporting the amounts 
and disclosures in the financial statements, assessing the accounting 
principles used and significant estimates made by management, and evaluating 
the overall financial statement presentation. We believe that our audits, 
which included confirmation of securities at March 31, 1998 by correspondence 
with the custodian and brokers and the application of alternative auditing 
procedures where confirmations from brokers were not received, provide a 
reasonable basis for the opinion expressed above. 

PRICE WATERHOUSE LLP 
1177 Avenue of the Americas 
New York, New York 10036 
May 8, 1998 


                              19



<PAGE>

TRUSTEES

Michael Bozic
Charles A. Fiumefreddo
Edwin J. Garn
John R. Haire
Wayne E. Hedien
Dr. Manuel H. Johnson
Michael E. Nugent
Philip J. Purcell
John L. Schroeder

OFFICERS

Charles A. Fiumefreddo
Chairman and Chief Executive Officer

Barry Fink
Vice President, Secretary and General Counsel

Edward F. Gaylor
Vice President

Peter Hermann
Vice President

Jayne Stevlingson
Vice President

Thomas F. Caloia
Treasurer

TRANSFER AGENT

Morgan Stanley Dean Witter Trust FSB
Harborside Financial Center - Plaza Two
Jersey City, New Jersey 07311

INDEPENDENT ACCOUNTANTS

Price Waterhouse LLP
1177 Avenue of the Americas
New York, New York 10036

INVESTMENT MANAGER

Dean Witter InterCapital Inc.
Two World Trade Center
New York, New York 10048

This report is submitted for the general information of shareholders
of the Fund. For more detailed information about the Fund, its officers
and trustees, fees, expenses and other pertinent information, please see
the prospectus of the Fund.

This report is not authorized for distribution to prospective investors
in the Fund unless preceded or accompanied by an effective prospectus.



DEAN WITTER
INFORMATION FUND




ANNUAL REPORT
MARCH 31, 1998











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