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

The S&P 500 dropped 1% and was on track for its worst day since the first of the month. It's also heading for a fourth straight loss after setting an all-time high last week. The Dow Jones Industrial Average was down 115 points, or 0.3%, as of 10:50 a.m. Eastern time, and the Nasdaq composite was 1.8% lower.

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