The stock market is still rangebound. Tesla dived as Elon Musk plays DOGE ball. DoorDash, Upstart are earnings winners late.

Elon Musk made a bid to buy leading artificial intelligence company OpenAI. CEO Sam Altman says OpenAI isn’t for sale and said of Musk: “probably his whole life is from a position of insecurity.” The ...

The $97.4 billion bid muddles up Sam Altman’s quest to convert the ChatGPT-maker into a for-profit company.

Government investigations into Mr. Musk’s companies are stalling amid President Trump’s firings and Biden administration ...

The relationship between Elon Musk and Sam Altman progressed from an initial friendship to a bitter rivalry. Here's why.

Sam Altman is leaving no room for doubt about his views on an Elon Musk-led bid to take control of OpenAI. In a letter to ...

OpenAI CEO Sam Altman has soundly dismissed a $97.4 billion takeover bid backed by rival Elon Musk, but the unsolicited offer ...

The chip maker is likely to be watching OpenAI after a consortium headed by Elon Musk offered almost $100 billion for the ...

The tech mogul is unlikely to win. But his goal may be more about making life difficult for the A.I. start-up and its leader, ...

The chip maker is likely to be watching OpenAI after a consortium headed by Elon Musk offered almost $100 billion for the ...

OpenAI CEO and co-founder Sam Altman brushed aside Elon Musk’s bid to take control of the ChatGPT maker, calling it an effort ...