“Father Time always wins,” the 96-year-old, who turned Berkshire Hathaway into an investing powerhouse, said in a letter to shareholders. He will remain on the board as chairman emeritus.

If you can’t pin down why something’s happening, you don’t have much hope of fixing it.

The company is expected to reach $100 billion in annualized revenue this year, even as chief executive Dario Amodei calls for slowing down development of some advanced A.I. models.

The Tunica-Biloxi of Louisiana plan to release a platform that uses infrastructure by Kalshi, the industry leader. Other tribes have taken aim at the company.

The prospect of artificial intelligence tools being used to do significant harm presents the companies and their leaders with a legal challenge.

Make sense of the latest business and policy headlines with our daily newsletter.

The Federal Reserve’s unanimous vote to raise its benchmark lending rate has rankled President Trump, who continues to demand lower borrowing costs.

The Treasury secretary and the Federal Reserve chairman face similar tests: calming investors’ growing worries about inflation and deficits.