OpenAI CEO Sam Altman defended Palantir Technologies Inc. co-founder Peter Thiel as "one of the most brilliant people" he ...

Tesla stock was Monday's biggest loser on the S&P 500. Palantir stock added to its 2025-leading gains. Uber and DoorDash also were winners.

On August 5, Palantir’s CTO Shyam Sankar stood in front of about 20 nervous new employees at the company’s Washington, D.C., office and gave a speech you’d expect at a new hire meeting ...

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