WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000816753
<NAME> PRUDENTIAL NATURAL RESOURCES FUND
<SERIES>
<NUMBER> 002
<NAME> PRUDENTIAL NATURAL RESOURCES FUND (CLASS B)
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> MAY-31-1999
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 61,062,441
<INVESTMENTS-AT-VALUE> 81,049,596
<RECEIVABLES> 389,619
<ASSETS-OTHER> 52,630
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 81,491,845
<PAYABLE-FOR-SECURITIES> 299,938
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 445,968
<TOTAL-LIABILITIES> 745,906
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 70,281,749
<SHARES-COMMON-STOCK> 5,475,680
<SHARES-COMMON-PRIOR> 6,116,912
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (9,521,591)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 19,985,781
<NET-ASSETS> 80,745,939
<DIVIDEND-INCOME> 916,206
<INTEREST-INCOME> 38,553
<OTHER-INCOME> 0
<EXPENSES-NET> 1,522,708
<NET-INVESTMENT-INCOME> (567,949)
<REALIZED-GAINS-CURRENT> (1,384,106)
<APPREC-INCREASE-CURRENT> 25,448,866
<NET-CHANGE-FROM-OPS> 23,496,811
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 21,466,511
<NUMBER-OF-SHARES-REDEEMED> (35,878,299)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 9,085,023
<ACCUMULATED-NII-PRIOR> (253,061)
<ACCUMULATED-GAINS-PRIOR> (9,957,446)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 575,291
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,522,708
<AVERAGE-NET-ASSETS> 45,728,000
<PER-SHARE-NAV-BEGIN> 10.46
<PER-SHARE-NII> (0.12)
<PER-SHARE-GAIN-APPREC> 3.90
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 14.24
<EXPENSE-RATIO> 2.28
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
</TABLE>
