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 ...

Musk's net worth fell below $400 billion for the first time this year on Monday, according to Bloomberg Billionaires Index.

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

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

The unsolicited offer complicates Sam Altman’s plans to convert OpenAI to a for-profit company.