NEW YORK (AP) — More gains for Nvidia, Amazon and other AI superstars propped up Wall Street on Monday.

The S&P 500 rose 0.2% and pulled closer to its all-time high set last week, even though the majority of stocks in the index sank. The Dow Jones Industrial Average dropped 226 points, or 0.5%, and the Nasdaq composite climbed 0.5%.

Nvidia was the strongest force lifting the S&P 500, just like it has been for the year so far. The chip company rose 2.2% to bring its gain for the year to date to 54.1%.

Amazon was the No. 2 force pushing the market higher. It rallied 4% after announcing a $38 billion agreement with OpenAI , which will use Amazon’s cloud computing services to run its AI workloads.

IREN, an AI cloud service provider, jumped 11.5% after Microsoft announced a $9.7 billi

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