Technology shares lifted the Nasdaq market to another record, but most stocks fell, with a profit warning from DuPont preventing an assault on new highs by the Dow industrials. On Wall Street, the Dow Jones industrial average fell 85.19 points to 9,089.78.

DuPont sank the equivalent of 28 points after the biochemical company advised that its second-quarter results won't meet analyst expectations.

The Nasdaq composite index set a new high for a second straight day as Dell Computer, Intel and Microsoft posted more big gains.

The Standard & Poor's 500 fell 7.82 to 1,158.56. The Nasdaq composite index rose 4.50 to 1,939.89. Declining issues outnumbered advancers by a seven-to-five margin on the New York Stock Exchange, with 1,226 up, 1,716 down and 589 unchanged.

NYSE volume totalled 655.64 million shares as of 4 p.m., up from 605.37 million in the previous session.