WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000810271
<NAME> GROWTH & INCOME FUND
<SERIES>
   <NUMBER> 003
   <NAME> CIS

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          OCT-31-2000
<PERIOD-END>                               APR-30-2000
<INVESTMENTS-AT-COST>                    1,199,217,979
<INVESTMENTS-AT-VALUE>                   1,534,833,343
<RECEIVABLES>                                1,387,932
<ASSETS-OTHER>                             144,561,768
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                           1,680,783,043
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                  146,352,799
<TOTAL-LIABILITIES>                        146,352,799
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                 1,153,852,094
<SHARES-COMMON-STOCK>                       57,251,229
<SHARES-COMMON-PRIOR>                       52,501,218
<ACCUMULATED-NII-CURRENT>                      124,292
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     44,838,494
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                   335,615,364
<NET-ASSETS>                             1,534,430,244
<DIVIDEND-INCOME>                              142,142
<INTEREST-INCOME>                           10,000,302
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               7,831,580
<NET-INVESTMENT-INCOME>                      2,310,864
<REALIZED-GAINS-CURRENT>                    46,886,924
<APPREC-INCREASE-CURRENT>                   34,801,940
<NET-CHANGE-FROM-OPS>                       83,999,728
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    2,048,174
<DISTRIBUTIONS-OF-GAINS>                   177,436,773
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      1,231,450
<NUMBER-OF-SHARES-REDEEMED>                  5,780,239
<SHARES-REINVESTED>                          9,298,800
<NET-CHANGE-IN-ASSETS>                      23,737,404
<ACCUMULATED-NII-PRIOR>                       (58,299)
<ACCUMULATED-GAINS-PRIOR>                  239,851,058
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        4,842,647
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              7,831,580
<AVERAGE-NET-ASSETS>                     1,118,534,574
<PER-SHARE-NAV-BEGIN>                            21.36
<PER-SHARE-NII>                                   0.05
<PER-SHARE-GAIN-APPREC>                           1.21
<PER-SHARE-DIVIDEND>                              0.04
<PER-SHARE-DISTRIBUTIONS>                         3.45
<RETURNS-OF-CAPITAL>                              0.00
<PER-SHARE-NAV-END>                              19.13
<EXPENSE-RATIO>                                   0.84


</TABLE>