By STAN CHOE, Associated Press Business Writer

NEW YORK (AP) — Nvidia and other technology companies are propping up Wall Street on Monday, while most other stocks fall following a discouraging signal on the health of U.S. manufacturing.

The S&P 500 was virtually unchanged in morning trading and was holding near its all-time high set last week, even though four out of every five stocks within the index were falling. The Dow Jones Industrial Average was down 186 points, or 0.4%, as of 10:05 a.m. Eastern time, and the Nasdaq composite was 0.5% higher.

Nvidia helped support the market after rising 2.3%. It was one of the strongest forces lifting the S&P 500, much like it has been for the year so far. The chip company has been soaring because of the frenzy around artificial-intelligence

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