AMERICAN CENTURY MUTUAL FUNDS INC
497K2, 1999-02-03
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                                  FUND PROFILE

                                Limited-Term Bond

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
       This profile summarizes key information about the fund that is included
           in the fund's Prospectus. The fund's Prospectus has additional
        information about the fund, including a more detailed description of the
         risks associated with investing in the fund, that you may want
       to consider before you invest. You may obtain the Prospectus and other
        information about the fund at no cost by calling us at 1-800-345-2021,
           accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                                  BENHAM GROUP


                          AMERICAN CENTURY INVESTMENTS

                                LIMITED-TERM BOND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Limited-Term  Bond seeks income from  investments in corporate bonds and
     other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund  buys  quality,  short-term  corporate  bonds  and  other  debt
     securities.  Corporate  bonds  generally are issued by companies to finance
     existing  operations  or to expand  their  business.  Under  normal  market
     conditions,  the fund  managers  will invest  most of the fund's  assets in
     investment-grade  securities.  The remainder will be invested in short-term
     money market instruments.

        The fund  managers  actively  manage the fund,  adjusting  its  weighted
     average  portfolio  maturity in  response  to expected  changes in interest
     rates.  If  interest  rates are  expected  to rise,  the  weighted  average
     maturity of the fund will be  shortened to protect its net asset value from
     the effects of falling bond prices. If interest rates are expected to fall,
     the  weighted  average  maturity  will be  increased  to take  advantage of
     potentially increasing bond prices.

        The weighted  average  maturity of the fund is expected to be five years
     or less.

        Additional   information  about   Limited-Term   Bond's  investments  is
     available in its annual and semiannual  reports.  In these reports you will
     find a discussion of the market  conditions and investment  strategies that
     significantly affected the fund's performance during the most recent fiscal
     period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *When interest  rates change,  the amount of income the fund  generates will
     be affected. Generally, when interest rates rise, the fund's income and its
     share value will decline. The opposite is true when interest rates decline.
     This interest rate risk is higher for Limited-Term Bond than for funds that
     have shorter weighted average maturities, such as money market funds.

    *The fund may invest  part of its assets in  securities  rated in the lowest
     investment-grade category (e.g., Baa or BBB). Although these securities are
     considered  investment  grade, the issuers are more likely to have problems
     making  interest  and  principal  payments  than  issuers  of  higher-rated
     securities.

    *As  with  all  funds,  at any  given  time  the  value  of your  shares  of
     Limited-Term Bond may be worth more or less than the price you paid. If you
     sell your shares  when the value is less than the price you paid,  you will
     lose money.

    *An investment  in the fund is not a bank deposit,  and it is not insured or
     guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other
     government agency.

        In summary,  Limited-Term  Bond is  intended  for  investors  who seek a
     competitive level of income with limited price volatility.

     FUND PERFORMANCE

        The following  bar chart shows the actual  performance  of  Limited-Term
     Bond's  Investor  Class  shares  for each  calendar  year  since the fund's
     inception on March 1, 1994.  The bar chart  indicates the volatility of the
     fund's historical  returns from year to year. Neither the bar chart nor the
     performance  information below it is intended to indicate how the fund will
     perform in the future.

[bar chart]
CALENDAR YEAR-BY-YEAR RETURNS
                          1995     1996     1997     1998
Limited-Term Bond        10.94     4.42     6.41     6.30


LIMITED-TERM BOND                                   AMERICAN CENTURY INVESTMENTS


        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter during the period reflected by the preceding bar chart are
     provided  in  the  following  chart  to  indicate  the  fund's   historical
     short-term volatility.

[bar chart]
     HIGHEST AND LOWEST QUARTERLY RETURNS
       Quarter Ended 6/30/95        3.20%
       Quarter Ended 3/31/96        0.20%

        The  following  table  shows the  average  annual  return of the  fund's
     Investor  Class shares for the periods  indicated.  The Merrill Lynch 1- to
     5-Year  Government/Corporate  Index,  an unmanaged  index that  reflects no
     operating costs, is included as a benchmark for performance comparisons.

                                           1 YEAR         LIFE OF FUND
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
         Limited-Term Bond                  6.30%            5.71%
         Merrill Lynch 1- to 5-Year
            Govt./Corp. Index               7.64%            6.53%

           For current performance information, including yields, please call us
           or access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American  Century funds
     or to redeem  your  shares.  The  following  table  describes  the fees and
     expenses that you will pay if you buy and hold shares of the fund.

      ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                 0.70%
           Distribution and Service (12b-1) Fees          None
           Other Expenses(1)                              0.00%
           Total Annual Fund Operating Expenses           0.70%

        (1)Other  expenses,  which  include the fees and  expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods  shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                 . . . your cost of investing in the fund would be:

           1 year      3 years      5 years      10 years
           ----------------------------------------------
             $71        $224         $389          $868

               Of course,  actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together  to  manage  its  mutual  funds.  The  portfolio  managers  on the
     Limited-Term Bond team are identified below:

        JEFFREY L.  HOUSTON,  Portfolio  Manager,  has been a member of the team
     that manages  Limited-Term Bond since June 1995. He joined American Century
     as an Investment  Analyst in 1990 and was promoted to Portfolio  Manager in
     1994. He has a bachelor of arts from the  University of Delaware and an MPA
     from Syracuse University. He is a Chartered Financial Analyst.

        JOHN F.  WALSH,  Portfolio  Manager,  has been a member of the team that
     manages Limited-Term Bond since January 1999. He joined American Century in
     February 1996 as an Investment Analyst.  Prior to joining American Century,
     he served as an Assistant  Vice  President and analyst at First  Interstate
     Bank,  Los  Angeles  from July 1993 to January  1996.  He has a  bachelor's
     degree in  marketing  from  Loyola  Marymount  and an MBA in  finance  from
     Creighton University.


FUND PROFILE                                                   LIMITED-TERM BOND


6. HOW DO I BUY FUND SHARES?

    * Complete and return the enclosed application

    * Call us and exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

        Your initial  investment must be at least $2,500 ($1,000 for traditional
     IRAs and Roth IRAs).  If the value of your account falls below this account
     minimum, your shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your  fund  shares  on any  business  day by
     writing or calling us. You also may  exchange  your shares in  Limited-Term
     Bond for  shares  in nearly  70 other  mutual  funds  offered  by  American
     Century.  Depending  on the options you select when you open your  account,
     some restrictions may apply. For your protection,  some redemption requests
     require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Limited-Term Bond pays  distributions of substantially all of its income
     monthly.  Distributions may be taxable as ordinary income, capital gains or
     a  combination  of the two.  Capital  gains  are taxed at  different  rates
     depending  on the  length  of time the fund held the  securities  that were
     sold.  Distributions  are  reinvested  automatically  in additional  shares
     unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    * telephone transactions

    * wire and electronic funds transfers

    * 24-hour Automated Information Line transactions

    * 24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds and  redeem  them  will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call an Institutional Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE; NOT-FOR-PROFIT; FOUNDATIONS;
ENDOWMENTS; KEOGH; SEP-, SARSEP- AND
SIMPLE-IRA; AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                         Funds Distributor, Inc.

SH-PRF-14131   9901
<PAGE>
                                  FUND PROFILE

                             Intermediate-Term Bond

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
       This profile summarizes key information about the fund that is included
           in the fund's Prospectus. The fund's Prospectus has additional
        information about the fund, including a more detailed description of the
         risks associated with investing in the fund, that you may want
       to consider before you invest. You may obtain the Prospectus and other
        information about the fund at no cost by calling us at 1-800-345-2021,
           accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                                  BENHAM GROUP


                          AMERICAN CENTURY INVESTMENTS

                             INTERMEDIATE-TERM BOND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Intermediate-Term   Bond  seeks  a  competitive  level  of  income  from
     investments in corporate bonds and other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund  managers buy quality,  short- to  intermediate-term  corporate
     bonds and other debt  securities.  Corporate  bonds generally are issued by
     companies to finance existing operations or to expand their business. Under
     normal market conditions,  the fund managers will invest most of the fund's
     assets in  investment-grade  securities.  The remainder will be invested in
     short-term money market instruments.

        The fund  managers  actively  manage the fund,  adjusting  its  weighted
     average  portfolio  maturity in  response  to expected  changes in interest
     rates.  If  interest  rates are  expected  to rise,  the  weighted  average
     maturity of the fund will be  shortened to protect its net asset value from
     the effects of falling bond prices. If interest rates are expected to fall,
     the  weighted  average  maturity  will be  increased  to take  advantage of
     potentially increasing bond prices.

        The weighted average maturity of the fund is expected to be three to ten
     years.

        Additional  information about  Intermediate-Term  Bond's  investments is
     available in its annual and semiannual  reports.  In these reports you will
     find a discussion of the market  conditions and investment  strategies that
     significantly affected the fund's performance during the most recent fiscal
     period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *When interest  rates change,  the amount of income the fund  generates will
     be affected.  Generally,  when interest  rates rise, the fund's share value
     will  decline.  The  opposite is true when  interest  rates  decline.  This
     interest rate risk is higher for Intermediate-Term Bond than for funds that
     have  shorter  weighted  average  maturities,  such  as  money  market  and
     short-term bond funds.

    *The fund may invest  part of its assets in  securities  rated in the lowest
     investment-grade category (e.g., Baa or BBB). Although these securities are
     considered  investment  grade, the issuers are more likely to have problems
     making  interest  and  principal  payments  than  issuers  of  higher-rated
     securities.

    *As  with  all  funds,  at any  given  time  the  value  of your  shares  of
     Intermediate-Term  Bond may be worth  more or less than the price you paid.
     If you sell your shares when the value is less than the price you paid, you
     will lose money.

    *An investment  in the fund is not a bank deposit,  and it is not insured or
     guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other
     government agency.

        In summary,  Intermediate-Term Bond is intended for investors who seek a
     higher  level  of  current   income  than  is  generally   available   from
     shorter-term  corporate and  government  securities  and who are willing to
     accept a greater degree of price fluctuation.

     Fund Performance

        The   following   bar   chart   shows   the   actual    performance   of
     Intermediate-Term Bond's Investor Class shares for each calendar year since
     the  fund's  inception  on March  1,  1994.  The bar  chart  indicates  the
     volatility of the fund's historical  returns from year to year. Neither the
     bar chart nor the performance  information below it is intended to indicate
     how the fund will perform in the future.

[bar chart]
CALENDAR YEAR-BY-YEAR RETURNS
                                  1995     1996     1997     1998
Intermediate-Term Bond           15.12     3.26     8.20     7.46


INTERMEDIATE-TERM BOND                              AMERICAN CENTURY INVESTMENTS


        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter during the period reflected by the preceding bar chart are
     provided  in  the  following  chart  to  indicate  the  fund's   historical
     short-term volatility.

[bar chart]
     HIGHEST AND LOWEST QUARTERLY RETURNS
       Quarter Ended 6/30/95        4.77%
       Quarter Ended 3/31/96       -1.38%

        The  following  table  shows the  average  annual  return of the  fund's
     Investor Class shares for the periods  indicated.  The Lehman  Intermediate
     Government/Corporate  Index,  an unmanaged index that reflects no operating
     costs, is included as a benchmark for performance comparisons.

                                       1 YEAR        LIFE OF FUND
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
           Intermediate-Term Bond       7.46%           6.65%
           Lehman Intermediate
              Govt./Corp. Index         8.44%           6.92%

           For current performance information, including yields, please call us
           or access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American  Century funds
     or to redeem  your  shares.  The  following  table  describes  the fees and
     expenses that you will pay if you buy and hold shares of the fund.

      ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                 0.75%
           Distribution and Service (12b-1) Fees          None
           Other Expenses(1)                              0.00%
           Total Annual Fund Operating Expenses           0.75%

        (1)Other  expenses,  which  include the fees and  expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods  shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

           1 year      3 years      5 years      10 years
           ----------------------------------------------
             $76        $239         $416          $928

               Of course,  actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGER?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together  to  manage  its  mutual  funds.  The  portfolio  managers  on the
     Intermediate-Term Bond team is identified below:

        Jeffrey L.  Houston,  Portfolio  Manager,  has been a member of the team
     that  manages  Intermediate-Term  Bond since May 1995.  He joined  American
     Century as an  Investment  Analyst in 1990 and was  promoted  to  Portfolio
     Manager in 1994. He has a bachelor of arts from the  University of Delaware
     and an MPA from Syracuse University. He is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    * Complete and return the enclosed application

    * Call us and exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

        Your initial  investment must be at least $2,500 ($1,000 for traditional
     IRAs and Roth IRAs).  If the value of your account falls below this account
     minimum, your shares may be redeemed involuntarily.


FUND PROFILE                                              INTERMEDIATE-TERM BOND


7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your  fund  shares  on any  business  day by
     writing   or   calling   us.  You  also  may   exchange   your   shares  in
     Intermediate-Term  Bond for shares in nearly 70 other mutual funds  offered
     by American Century. Depending on the options you select when you open your
     account, some restrictions may apply. For your protection,  some redemption
     requests require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Intermediate-Term  Bond pays  distributions of substantially  all of its
     income monthly.  Distributions  may be taxable as ordinary income,  capital
     gains or a  combination  of the two.  Capital  gains are taxed at different
     rates  depending  on the length of time the fund held the  securities  that
     were sold.  Distributions are reinvested automatically in additional shares
     unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    * telephone transactions

    * wire and electronic funds transfers

    * 24-hour Automated Information Line transactions

    * 24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds and  redeem  them  will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call an Institutional Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

American Century Investments
P.O. Box 419200
Kansas City, Missouri 64141-6200

www.americancentury.com

Investor Services
1-800-345-2021 or 816-531-5575

Automated Information Line
1-800-345-8765

Corporate; Not-For-Profit; Foundations;
Endowments; Keogh; SEP-, SARSEP- and
SIMPLE-IRA; and 403(b) Services
1-800-345-3533

Telecommunications Device for the Deaf
1-800-634-4113 or 816-444-3485

Fax
816-340-7962

                                                         Funds Distributor, Inc.

SH-PRF-14132   9901
<PAGE>
                                  FUND PROFILE

                                      Bond

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
       This profile summarizes key information about the fund that is included
           in the fund's Prospectus. The fund's Prospectus has additional
        information about the fund, including a more detailed description of the
         risks associated with investing in the fund, that you may want
       to consider before you invest. You may obtain the Prospectus and other
        information about the fund at no cost by calling us at 1-800-345-2021,
           accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                                  BENHAM GROUP


                          AMERICAN CENTURY INVESTMENTS

                                      BOND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Bond seeks a high level of income from  investments  in corporate  bonds
     and other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund buys quality, intermediate- and longer-term corporate bonds and
     other debt securities. Corporate bonds generally are issued by companies to
     finance  existing  operations  or to expand  their  business.  Under normal
     market conditions,  the fund managers will invest most of the fund's assets
     in  investment-grade   securities.   The  remainder  will  be  invested  in
     short-term money market instruments.

        The fund  managers  actively  manage the fund,  adjusting  its  weighted
     average  portfolio  maturity in  response  to expected  changes in interest
     rates.  If  interest  rates are  expected  to rise,  the  weighted  average
     maturity of the fund will be  shortened to protect its net asset value from
     the effects of falling bond prices. If interest rates are expected to fall,
     the  weighted  average  maturity  will be  increased  to take  advantage of
     potentially increasing bond prices.

        Although  there is no weighted  average  maturity  requirement  for this
     fund, it will primarily invest in intermediate-  and long-term bonds. It is
     anticipated  that under normal  market  conditions,  the  weighted  average
     maturity will be between eight and 20 years.

        Additional  information  about  Bond's  investments  is available in its
     annual and semiannual  reports. In these reports you will find a discussion
     of the market  conditions  and  investment  strategies  that  significantly
     affected the fund's  performance  during the most recent fiscal period. You
     may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *When interest  rates change,  the amount of income the fund  generates will
     be affected. Generally, when interest rates rise, the fund's income and its
     share value will decline. The opposite is true when interest rates decline.
     The interest  rate risk is higher for Bond than for funds that have shorter
     weighted  average  maturities,  such as money  market  and  short-term  and
     intermediate-term bond funds.

    *The fund may invest  part of its assets in  securities  rated in the lowest
     investment grade category (e.g., Baa or BBB). Although these securities are
     considered  investment  grade, the issuers are more likely to have problems
     making  interest  and  principal  payments  than  issuers  of  higher-rated
     securities.

    *As with all funds,  at any given time, the value of your shares of Bond may
     be worth more or less than the price you paid. If you sell your shares when
     the value is less than the price you paid, you will lose money.

    *An investment  in the fund is not a bank deposit,  and it is not insured or
     guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other
     government agency.

        In summary,  Bond is intended for  investors who seek higher income than
     is  generally  provided  by money  market or short-  and  intermediate-term
     securities and who can accept the greater price volatility  associated with
     longer-term bonds.

     FUND PERFORMANCE

        The following bar chart shows the actual  performance of Bond's Investor
     Class  shares  for  each  of the  last 10  calendar  years.  The bar  chart
     indicates  the  volatility  of the fund's  historical  returns from year to
     year.  Neither the bar chart nor the  performance  information  below it is
     intended to indicate how the fund will perform in the future.

[bar chart]
CALENDAR YEAR-BY-YEAR RETURNS
         1989    1990   1991   1992   1993   1994   1995   1996   1997   1998
Bond     13.97   6.04   17.50  5.60   10.15  -4.49  20.28  2.43   8.75   6.56


Benham Bond                                         American Century Investments


        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter during the period reflected by the preceding bar chart are
     provided  in  the  following  chart  to  indicate  the  fund's   historical
     short-term volatility.

[bar chart]
     HIGHEST AND LOWEST QUARTERLY RETURNS
       Quarter Ended 6/30/89        9.11%
       Quarter Ended 3/31/90       -3.58%

        The  following  table  shows the  average  annual  return of the  fund's
     Investor Class shares for the periods indicated.  The Lehman Aggregate Bond
     Index, an unmanaged index that reflects no operating  costs, is included as
     a benchmark for performance comparisons.

                                1 YEAR       5 YEARS      10 YEARS
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
          Bond                   6.56%        6.40%        8.46%
          Lehman Aggregate
             Bond Index          8.69%        7.27%        9.26%

        For current performance information, including yields, please call us or
        access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American  Century funds
     or to redeem  your  shares.  The  following  table  describes  the fees and
     expenses that you will pay if you buy and hold shares of the fund.

      ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                 0.80%
           Distribution and Service (12b-1) Fees          None
           Other Expenses(1)                              0.00%
           Total Annual Fund Operating Expenses           0.80%

        (1)Other  expenses,  which  include the fees and  expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

           1 year       3 years       5 years         10 years
           ---------------------------------------------------
             $82          $255          $443            $987

           Of course,  actual costs may be higher or lower.  Use this example to
           compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together to manage its mutual  funds.  The  portfolio  managers of the Bond
     team are identified below:

        NORMAN E. HOOPS, Senior Vice President and Portfolio Manager, has been a
     member  of the team  that  manages  Bond  since  November  1989.  He joined
     American Century as Vice President and Portfolio  Manager in November 1989.
     In April 1993, he became Senior Vice  President.  He has a bachelor of arts
     from Indiana University and an MBA from Butler University.

        JEFFREY L.  HOUSTON,  Portfolio  Manager,  has been a member of the team
     that  manages  Bond  since  June  1995.  He joined  American  Century as an
     Investment  Analyst in 1990 and was promoted to Portfolio  Manager in 1994.
     He has a bachelor of arts from the  University  of Delaware and an MPA from
     Syracuse University. He is a Chartered Financial Analyst.


Fund Profile                                                         Benham Bond


6. HOW DO I BUY FUND SHARES?

    * Complete and return the enclosed application

    * Call us and exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

        Your initial  investment must be at least $2,500 ($1,000 for traditional
     IRAs and Roth IRAs).  If the value of your account falls below this account
     minimum, your shares may be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell a part of your fund shares on any  business  day by writing
     or calling  us.  You also may  exchange  your  shares in Bond for shares in
     nearly 70 other mutual funds offered by American Century.  Depending on the
     options you select when you open your account, some restrictions may apply.
     For  your  protection,   some  redemption   requests  require  a  signature
     guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Bond pays  distributions  of  substantially  all of its income  monthly.
     Distributions  may be  taxable  as  ordinary  income,  capital  gains  or a
     combination  of the  two.  Capital  gains  are  taxed  at  different  rates
     depending  on the  length  of time the fund held the  securities  that were
     sold.  Distributions  are  reinvested  automatically  in additional  shares
     unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    * telephone transaction

    * wire and electronic funds transfers

    * 24-hour Automated Information Line transactions

    * 24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds and  redeem  them  will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call an Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE; NOT-FOR-PROFIT; FOUNDATIONS;
ENDOWMENTS; KEOGH; SEP-, SARSEP- AND
SIMPLE-IRA; AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                         Funds Distributor, Inc.

SH-PRF-14133   9901
<PAGE>
                                  FUND PROFILE

                                    Balanced

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
       This profile summarizes key information about the fund that is included
           in the fund's Prospectus. The fund's Prospectus has additional
        information about the fund, including a more detailed description of the
         risks associated with investing in the fund, that you may want
       to consider before you invest. You may obtain the Prospectus and other
        information about the fund at no cost by calling us at 1-800-345-2021,
           accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                             AMERICAN CENTURY GROUP


                          AMERICAN CENTURY INVESTMENTS

                                    BALANCED

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Balanced seeks long-term  capital growth and current income by investing
     approximately  60% of the  fund's  assets in equity  securities,  while the
     remainder is invested in bonds and other fixed income securities.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        With the equity  portion of the Balanced  portfolio,  the fund  managers
     utilize quantitative management techniques in a two-step process that draws
     heavily on computer  technology.  In the first step, the fund managers rank
     stocks, primarily the 1,500 largest publicly traded companies in the United
     States  (measured  by  the  value  of  their  stock).  These  rankings  are
     determined by using a computer  model that  combines  measures of a stock's
     value, as well as measures of its growth  potential.  To measure value, the
     managers  use ratios of stock  price to book value and stock  price to cash
     flow, among others. To measure growth,  the managers use, among others, the
     rate  of  growth  of a  company's  earnings  and  changes  in its  earnings
     estimates.

        In the second  step,  the  managers  use a  technique  called  portfolio
     optimization.  In  portfolio  optimization,  the managers use a computer to
     build a portfolio  of stocks from the ranking  described  earlier that they
     think will provide the optimal  balance  between risk and expected  return.
     The goal is to create an equity portfolio that provides better returns than
     the S&P 500 without taking on significant additional risk.

        The  fixed-income  portion  of the fund's  portfolio  is  invested  in a
     diversified portfolio of high-grade government, corporate, asset-backed and
     similar securities  payable in U.S. currency,  with a minimum of 25% of the
     fund's  assets  in  fixed-income  senior  securities.  At least  80% of the
     fixed-income  assets will be invested in  securities  that,  at the time of
     purchase,  are rated within the three  highest  categories  by a nationally
     recognized  statistical rating  organization.  The remaining portion may be
     invested in securities rated in the fourth highest  category.  Under normal
     market  conditions  the  weighted  average  maturity  for the  fixed-income
     portfolio will be in the three- to 10-year range.

        Additional  information about Balanced's investments is available in its
     annual and semiannual  reports. In these reports you will find a discussion
     of the market  conditions  and  investment  strategies  that  significantly
     affected the fund's  performance  during the most recent fiscal period. You
     may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *The value of Balanced's  shares  depends on the value of the stocks,  bonds
     and other securities it owns. The value of the individual equity securities
     that the fund owns will go up and down depending on the  performance of the
     companies  that issued them,  general market and economic  conditions,  and
     investor confidence.  The value of the fund's fixed-income  securities will
     be affected primarily by rising or falling interest rates and the continued
     ability of the issuers of these securities to make payments of interest and
     principal as they become due.

    *When interest  rates change,  the amount of income the fund  generates will
     be affected. Generally, when interest rates rise, the fund's income and its
     share value will decline. The opposite is true when interest rates decline.
     The  interest  rate risk is higher  for  Balanced  than for funds that have
     shorter  weighted average  maturities,  such as money market and short-term
     bond funds.

    *Market  performance  tends  to be  cyclical,  and  in the  various  cycles,
     certain  investment  styles may fall in and out of favor.  If the market is
     not  favoring the fund's  style,  the fund's gains may not be as big as, or
     its losses may be bigger  than,  other  funds  using  different  investment
     styles.

    *As with all funds,  at any given time the value of your  shares of Balanced
     may be worth more or less than the price you paid.  If you sell your shares
     when the value is less than the price you paid, you will lose money.


BALANCED                                            AMERICAN CENTURY INVESTMENTS


    *An investment  in the fund is not a bank deposit,  and it is not insured or
     guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other
     government agency.

    *Although  the fund  managers  invest the fund's  assets  primarily  in U.S.
     stocks,  Balanced  can  invest  in  securities  of  foreign  companies  and
     governments.  Foreign  securities can have certain unique risks,  including
     fluctuations in currency  exchange rates,  unstable  political and economic
     structures,  reduced availability of public information and lack of uniform
     financial reporting and regulatory practices similar to those that apply to
     U.S. issuers.

        In summary,  Balanced is intended for  investors  who want an investment
     that combines the potential  for long-term  capital  growth with the income
     produced from a portfolio of intermediate-term fixed-income securities, and
     who are willing to accept the risks  associated with the fund's  investment
     strategy.

     Fund Performance

        The  following  bar chart  shows the actual  performance  of  Balanced's
     Investor Class shares for each of the last 10 calendar years. The bar chart
     indicates  the  volatility  of the fund's  historical  returns from year to
     year.  Neither the bar chart nor the  performance  information  below it is
     intended to indicate how the fund will perform in the future.

[bar chart]
<TABLE>
CALENDAR YEAR-BY-YEAR RETURNS
           1989    1990   1991    1992    1993   1994   1995    1996    1997    1998
<S>        <C>     <C>    <C>      <C>    <C>     <C>   <C>     <C>     <C>     <C>  
Balanced   25.61   1.82   46.86   -6.06   7.24   -.07   21.37   12.61   16.93   16.29
</TABLE>

        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter during the period reflected by the preceding bar chart are
     provided  in  the  following  chart  to  indicate  the  fund's   historical
     short-term volatility. Shareholders should be aware, however, that Balanced
     is intended for investors  with a long-term  investment  horizon and is not
     managed for short-term results.

[bar chart]
     HIGHEST AND LOWEST QUARTERLY RETURNS
       Quarter Ended 12/31/91        15.95%
       Quarter Ended  9/30/90       -11.22%

        The  following  table  shows the  average  annual  return of the  fund's
     Investor Class shares for the periods indicated.  Balanced's benchmark is a
     blended index that combines the S&P 500 and the Lehman Aggregate Bond Index
     in proportion to the 60% stock/40%  bond asset mix of the fund. The S&P 500
     Index and the Lehman Aggregate Bond Index,  unmanaged  indices that reflect
     no operating costs, are blended as a benchmark for performance comparisons.

                                1 YEAR       5 YEARS     10 YEARS
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
          Balanced              16.29%        13.18%      13.39%
          Blended Index         20.71%        17.36%      15.24%
          S&P 500               28.68%        24.05%      19.17%
          Lehman Aggregate
            Bond Index           8.69%         7.27%       9.26%

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American  Century funds
     or to redeem  your  shares.  The  following  table  describes  the fees and
     expenses that you will pay if you buy and hold shares of the fund.


FUND PROFILE                                                            BALANCED


      ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                 1.00%
           Distribution and Service (12b-1) Fees          None
           Other Expenses(1)                              0.00%
           Total Annual Fund Operating Expenses           1.00%

        (1)Other  expenses,  which  include the fees and  expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

           1 year      3 years      5 years      10 years
           ----------------------------------------------
            $102        $318         $551         $1,219

           Of course,  actual costs may be higher or lower.  Use this example to
           compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together to manage its mutual funds. The portfolio managers on the Balanced
     team are identified below:

        John  Schniedwind,  Senior Vice President and Group  Leader-Quantitative
     Equity,  has been a member of the team that manages Balanced since November
     1998.  He  joined  American  Century  in 1982  and  also  supervises  other
     portfolio  management  teams.  He has a  bachelor  of science  from  Purdue
     University and an MBA in finance from the University of California. He is a
     Chartered Financial Analyst.

        Jeffrey R. Tyler, Senior Vice President and Portfolio Manager,  has been
     a member of the team that manages Balanced since November 1998. He has been
     with American  Century as a portfolio  manager since January 1988. He has a
     bachelor's  degree in business  economics from the University of California
     and an MBA in finance and economics from Northwestern  University.  He is a
     Chartered Financial Analyst.

        Jeffrey L.  Houston,  Portfolio  Manager,  has been a member of the team
     that manages  Balanced  since June 1995. He joined  American  Century as an
     Investment  Analyst in November 1990 and was promoted to Portfolio  Manager
     in 1994.  He has a bachelor of arts degree from the  University of Delaware
     and an MPA from Syracuse University. He is a Chartered Financial Analyst.

        JOHN F.  WALSH,  Portfolio  Manager,  has been a member of the team that
     manages Balanced since January 1999. He joined American Century in February
     1996 as an Investment Analyst. Prior to joining American Century, he served
     as an Assistant  Vice President and analyst at First  Interstate  Bank, Los
     Angeles,  California,  from July 1993 to January  1996. He has a bachelor's
     degree in  marketing  from  Loyola  Marymount  and an MBA in  finance  from
     Creighton University.

6. HOW DO I BUY FUND SHARES?

    * Complete and return the enclosed application

    * Call us and exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

        Your initial  investment must be at least $2,500 ($1,000 for traditional
     IRAs, Roth IRAs and UGMA/UTMA accounts),  unless you establish an automatic
     investment  plan of at least $50 per  month.  If the value of your  account
     falls   below  this   account   minimum,   your   shares  may  be  redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your  fund  shares  on any  business  day by
     writing or calling us. You also may  exchange  your shares in Balanced  for
     shares  in  nearly 70 other  mutual  funds  offered  by  American  Century.
     Depending  on the  options  you  select  when you open your  account,  some
     restrictions  may apply.  For your  protection,  some  redemption  requests
     require a signature guarantee.


BALANCED                                            AMERICAN CENTURY INVESTMENTS


8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Balanced  pays   distributions  of  substantially   all  of  its  income
     quarterly.  Distributions from realized capital gains are paid once a year,
     usually in  December.  Distributions  may be taxable  as  ordinary  income,
     capital  gains or a  combination  of the two.  Capital  gains  are taxed at
     different  rates  depending  on the  length  of  time  the  fund  held  the
     securities that were sold.  Distributions  are reinvested  automatically in
     additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    * telephone transactions

    * wire and electronic funds transfers

    * 24-hour Automated Information Line transactions

    * 24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds and  redeem  them  will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call a Service Representative at 1-800-345-3533.


FUND PROFILE                                                            BALANCED


- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

American Century Investments
P.O. Box 419200
Kansas City, Missouri 64141-6200

www.americancentury.com

Investor Services
1-800-345-2021 or 816-531-5575

Automated Information Line
1-800-345-8765

Corporate; Not-For-Profit; Foundations;
Endowments; Keogh; SEP-, SARSEP- and
SIMPLE-IRA; and 403(b) Services
1-800-345-3533

Telecommunications Device for the Deaf
1-800-634-4113 or 816-444-3485

Fax
816-340-7962

                                                         Funds Distributor, Inc.

SH-PRF-14134   9901
<PAGE>
                                  FUND PROFILE

                                New Opportunities

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
       This profile summarizes key information about the fund that is included
           in the fund's Prospectus. The fund's Prospectus has additional
        information about the fund, including a more detailed description of the
         risks associated with investing in the fund, that you may want
       to consider before you invest. You may obtain the Prospectus and other
        information about the fund at no cost by calling us at 1-800-345-2021,
           accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                             TWENTIETH CENTURY GROUP


                          AMERICAN CENTURY INVESTMENTS

                                NEW OPPORTUNITIES

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        New Opportunities  seeks capital growth by investing primarily in common
     stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund managers look for stocks of  smaller-sized  companies that they
     believe will increase in value over time.  Although the managers  intend to
     invest  primarily  in  smaller-sized  companies,  the fund may own stock of
     medium- and  large-sized  companies,  particularly as the fund gets larger.
     The fund managers use a growth  investment  strategy  developed by American
     Century that looks for companies whose earnings and revenues are growing at
     a successively faster, or accelerating, pace. Accelerating growth is shown,
     for example, by growth that is faster this quarter than last or faster this
     year than the year before.  It also includes  situations  where a company's
     growth rate,  although still  negative,  is improving at a faster rate than
     prior periods.

        Using American Century's extensive computer database,  the fund managers
     track  financial  information  for  thousands  of companies to research and
     select the stocks they believe will be able to sustain accelerating growth.
     This strategy is based on the premise that,  over the long term, the stocks
     of   companies   with   accelerating   earnings   and   revenues   have   a
     greater-than-average   chance  to  increase  in  value.   This   aggressive
     investment  strategy,  which pursues  superior  long-term  returns for fund
     shareholders, also results in the risks described in the next section.

        The fund  managers  do not  attempt to time the  market.  Instead,  they
     intend  to keep New  Opportunities  essentially  fully  invested  in stocks
     regardless  of the  movement  of  stock  prices  generally.  When  the fund
     managers  believe  that it is  prudent,  they  also may  invest  assets  in
     non-leveraged futures and options.  "Non-leveraged" means that the fund may
     not invest in futures and  options  where it would be possible to lose more
     than the fund invested. Futures and options can help the fund's cash assets
     remain liquid while performing more like stocks.

        Additional information about New Opportunities' investments is available
     in its annual and  semiannual  reports.  In these  reports  you will find a
     discussion  of  the  market  conditions  and  investment   strategies  that
     significantly affected the fund's performance during the most recent fiscal
     period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *The value of New  Opportunities'  shares depends on the value of the stocks
     and other  securities it owns. The value of the individual  securities that
     the fund  owns  will go up and down  depending  on the  performance  of the
     companies  that issued them,  general market and economic  conditions,  and
     investor confidence.

    *As with all  funds,  at any  given  time the  value of your  shares  of New
     Opportunities  may be worth  more or less than the  price you paid.  If you
     sell your shares  when the value is less than the price you paid,  you will
     lose money.

    *Because  New  Opportunities  generally  invests in smaller  companies  than
     American  Century's  similarly managed growth equity funds (such as Growth,
     Ultra  and  Select),  it may be  more  volatile,  and  subject  to  greater
     short-term  risk,  than those  funds.  Smaller  companies  may have limited
     financial  resources,  product lines and markets,  and their securities may
     trade less  frequently  and in more limited  volumes than the securities of
     larger  companies.  In addition,  smaller  companies may have less publicly
     available  information  and,  when  available,  it  may  be  inaccurate  or
     incomplete.

    *The fund  managers  will buy a large amount of a company's  stock  quickly,
     and often will dispose of it quickly if the company's  earnings or revenues
     decline. While the fund managers believe this strategy provides substantial
     appreciation  potential over the long term, in the short term it can create
     a significant  amount of share price  volatility.  This  volatility  can be
     greater than that of the average stock fund.


NEW OPPORTUNITIES                                   AMERICAN CENTURY INVESTMENTS


    *An investment  in the fund is not a bank deposit,  and it is not insured or
     guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other
     government agency.

    *Market  performance  tends  to be  cyclical,  and  in the  various  cycles,
     certain  investment  styles may fall in and out of favor.  If the market is
     not  favoring the fund's  style,  the fund's gains may not be as big as, or
     its  losses  may  be  bigger  than,  other  equity  funds  using  different
     investment styles.

    *Although  the fund  managers  invest the fund's  assets  primarily  in U.S.
     stocks,  New Opportunities  can invest in securities of foreign  companies.
     Foreign securities can have certain unique risks, including fluctuations in
     currency  exchange  rates,  unstable  political  and  economic  structures,
     reduced  availability of public  information and lack of uniform  financial
     reporting  and  regulatory  practices  similar  to those that apply to U.S.
     issuers.

        In summary, New Opportunities is intended for investors with a long-term
     investment  horizon (at least 5 years) who seek capital  growth  through an
     aggressive  equity fund and who are willing to accept the risks  associated
     with the fund's investment strategy.

     FUND PERFORMANCE

        The   following   bar  chart  shows  the  actual   performance   of  New
     Opportunities'  shares for each calendar year since the fund's inception on
     December 26, 1996.  The bar chart  indicates  the  volatility of the fund's
     historical  returns  from  year to  year.  Neither  the bar  chart  nor the
     performance  information below it is intended to indicate how the fund will
     perform in the future.

[bar chart]
CALENDAR YEAR-BY-YEAR RETURNS
                             1997         1998
New Opportunities            3.14        13.33

        The  highest  and lowest  returns  of the  fund's  shares for a calendar
     quarter during the period reflected by the preceding bar chart are provided
     in the  following  chart  to  indicate  the  fund's  historical  short-term
     volatility.  Shareholders should be aware,  however, that New Opportunities
     is intended for investors  with a long-term  investment  horizon and is not
     managed for short-term results.

[bar chart]
     HIGHEST AND LOWEST QUARTERLY RETURNS
       Quarter Ended 12/31/98        28.23%
       Quarter Ended  9/30/98       -21.62%

        The following table shows the average annual return of the fund's shares
     for the periods  indicated.  The Russell  2000 Growth  Index,  an unmanaged
     index that  reflects no  operating  costs,  is included as a benchmark  for
     performance comparisons.

                                          1 YEAR        LIFE OF FUND
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
          New Opportunities               13.33%          9.02%
          Russell 2000 Growth Index        1.23%          6.93%

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly  from  American  Century or to reinvest  dividends  in  additional
     shares.

        THE FUND  CHARGES A  REDEMPTION  FEE OF 2.0% OF THE VALUE OF THE  SHARES
     SOLD WITHIN FIVE YEARS OF THEIR  PURCHASE.  This redemption fee is retained
     by the fund. It is intended to discourage short-term investment in the fund
     as well as to decrease the negative impact that  short-term  investors have
     on the shareholders remaining in the fund. Otherwise,  there are no fees or
     charges  to  exchange  into the  Investor  Class  shares of other  American
     Century funds or to redeem your shares.  The following  table describes the
     fees and expenses that you will pay if you buy and hold shares of the fund.


FUND PROFILE                                                   NEW OPPORTUNITIES


      SHAREHOLDER FEES
      (FEES PAID DIRECTLY FROM YOUR INVESTMENT)
           Redemption Fee
              Shares held less than one year              2.0%
              Shares held for one year or more            None

      ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                 1.50%
           Distribution and Service (12b-1) Fees          None
           Other Expenses(1)                              0.00%
           Total Annual Fund Operating Expenses           1.50%

        (1)Other  expenses,  which  include the fees and  expenses of the fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                 . . . your cost of investing in the fund would be:

           1 year     3 years     5 years     10 years
           -------------------------------------------
            $359       $693       $1,051        $1,778

               You would pay the  following  expenses if you did not redeem your
               shares at the end of the periods shown below:

           1 year      3 years      5 years      10 years
           ----------------------------------------------
            $152        $472         $814          $1,778

               Of course,  actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together  to manage its mutual  funds.  The  portfolio  managers on the New
     Opportunities team are identified as follows:

        CHRISTOPHER K. BOYD,  Vice President and Portfolio  Manager,  has been a
     member of the team that manages New Opportunities  since rejoining American
     Century in  January  1998.  With the  exception  of 1997,  he has been with
     American  Century since March 1988 and served as a Portfolio  Manager since
     December  1992.  During 1997,  he was in private  practice as an investment
     advisor.  He has a bachelor of science from the University of Kansas and an
     MBA from Dartmouth College. He is a Chartered Financial Analyst.

        JOHN D. SEITZER, Vice President and Portfolio Manager, has been a member
     of the team that manages New  Opportunities  since the fund's  inception in
     December  1996.  He joined  American  Century in June 1993 as an Investment
     Analyst  and was  promoted  to  Portfolio  Manager in July  1996.  He has a
     bachelor's  degree in accounting  and finance from Kansas State  University
     and an MBA in finance from Indiana University.  He is a Chartered Financial
     Analyst and a Certified Public Accountant.

6. HOW DO I BUY FUND SHARES?

    * Complete and return the enclosed application

    * Call us and exchange shares from another American Century fund

    * Call us and send your investment by bank wire transfer

        New  Opportunities  is only  available for purchase by  participants  in
     American  Century's  Priority  Investors  Program and employees of American
     Century.  The minimum initial  investment for Priority Investors must be at
     least $10,000; the maximum aggregate investment in the fund is $500,000. If
     the value of your account falls below this account minimum, your shares may
     be redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your  fund  shares  on any  business  day by
     writing  or  calling  us.  You  also  may  exchange   your  shares  in  New
     Opportunities  for  shares in  nearly  70 other  mutual  funds  offered  by
     American  Century.  Depending  on the options you select when you open your
     account, some restrictions may apply. For your protection,  some redemption
     requests require a signature guarantee.

        IF YOU SELL  SHARES  OF NEW  OPPORTUNITIES  WITHIN  FIVE  YEARS OF THEIR
     PURCHASE,  YOU WILL PAY A REDEMPTION FEE OF 2.0% OF THE VALUE OF THE SHARES
     SOLD.


NEW OPPORTUNITIES                                   AMERICAN CENTURY INVESTMENTS


8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        New Opportunities  pays distributions of substantially all of its income
     and realized capital gains once a year, usually in December.  Distributions
     may be taxable as ordinary  income,  capital gains or a combination  of the
     two.  Capital gains are taxed at different rates depending on the length of
     time the  fund  held the  securities  that  were  sold.  Distributions  are
     reinvested  automatically  in additional  shares unless you choose  another
     option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    * telephone transactions

    * wire and electronic funds transfers

    * 24-hour Automated Information Line transactions

    * 24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds and  redeem  them  will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call an Institutional Service Representative at 1-800-345-3533.


FUND PROFILE                                                   NEW OPPORTUNITIES


- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419287
KANSAS CITY, MISSOURI 64141-6287

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-8810 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE; NOT-FOR-PROFIT; FOUNDATIONS;
ENDOWMENTS; KEOGH; SEP-, SARSEP- AND
SIMPLE-IRA; AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-531-5689

                                                         Funds Distributor, Inc.

SH-PRF-14136   9901


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