David Tepper manages the highly successful hedge fund Appaloosa, which sold Nvidia and bought Vistra during the third quarter ...

When a renowned investor sells a substantial stake in a high-flying stock, it often raises eyebrows. Is it a signal to take ...

Nvidia is once again the most valuable U.S. company, outranking Apple for the first time since late November. The chip maker ...

Morgan Stanley is also very bullish on the growth prospects for humanoid robots. The investment banking firm forecasts that ...

Live Updates Make sure to refresh this page periodically for updates. Stocks on the Move Today 10:57 am Looking at a heat map ...

The major indexes added to strong weekly gains. Tesla and AI chipmakers such as Nvidia and Arm are testing key levels.

Investors were not impressed by Nvidia's quarterly performance and outlook even though it handily beat Wall Street's ...

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Nvidia was founded at a Denny's restaurant in 1993 and went public six years later on Jan. 22, 1999. A look back at how much investors could have made from the IPO.

Over the course of the first trading day of his presidency, major indices rose, several—but not all—megacap tech stocks saw ...