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Prudential Stock Index Fund
Supplement dated May 1, 1997 to
Prospectus dated November 29, 1996
How the Fund is Managed--Manager
Effective May 1, 1997, Prudential Mutual Fund Management LLC (the Manager)
will waive a portion of its management fee to reduce Total Operating Expenses to
.40 of 1% on an annualized basis. Annual fund operating expenses for the Fund
are set forth under 'Fund Expenses' in the Prospectus. The Manager may make
further modifications in the future.
MF174C-3 (5/1/97)
