NEW YORK (AP) — Nvidia, Palantir and other superstar stocks that surged in the mania surrounding artificial-intelligence technology are dragging Wall Street lower again on Wednesday.

The S&P 500 fell 0.9% and was on track for a fourth straight loss after setting an all-time high last week. The Dow Jones Industrial Average was down 132 points, or 0.3%, as of 10:30 a.m. Eastern time, and the Nasdaq composite was 1.6% lower.

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