NEW YORK (AP) — Most U.S. stocks are rising on Thursday, but a sell-off for Oracle is weighing on Wall Street as investors question whether its big spending on artificial-intelligence technology will pay off.

The S&P 500 fell 0.4% and pulled further from its all-time high , which was set in October. Drops for AI-related stocks dragged the Nasdaq composite down 1.2%, while the Dow Jones Industrial Average was doing much better with a gain of 465 points, or 1%, as of 11:30 a.m. Eastern time.

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