Palantir shares tumbled Tuesday afternoon, extending recent losses as a high-profile short seller fueled worries the stock ...

Elon Musk and Sam Altman speak onstage at the Vanity Fair New Establishment Summit on October 6, 2015 in San Francisco, ...

OpenAI has seen its valuation repeatedly jump higher, from $157 billion in October to $300 billion in March. That month, the ...

Dow Jones Top Markets Headlines at 5 PM ET: Tech-Stock Slide Drags Nasdaq Lower | Demand ... Home Depot rallies, helping the Dow stay positive on the day. Apartment construction is climbing steadily, ...