NEW YORK (AP) — More gains for Nvidia, Amazon and other AI superstars are propping up Wall Street on Monday, even as most U.S. stocks fall.

The S&P 500 was virtually unchanged in morning trading and holding near its all-time high set last week. The Dow Jones Industrial Average was down 303 points, or 0.6%, as of 10:45 a.m. Eastern time, and the Nasdaq composite was 0.4% higher.

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