John Buckley Consulting

The company reported overall mixed results, sending share prices down in after-hours trading.

Tim Cook, the company’s C.E.O., said he expected $900 million in extra costs this quarter because of President Trump’s tariffs.

A deal for a state-backed Emirati firm to use a Trump-affiliated digital coin was announced in a panel that included the president’s son and his business partner, who promised, “This is only the beginning.”

Robyn Denholm, who leads Tesla’s board, said on social media that board members were “highly confident” in Mr. Musk, the company’s chief executive.

A landmark antitrust lawsuit about the past has turned into a fight about the future.