Oil prices fell as investors awaited details of Donald Trump’s plan to isolate Iran, while markets also turned their attention to Nvidia’s results and the outlook for AI spending.

Oil prices fell Monday as investors awaited details of what Washington has billed as its toughest-ever sanctions campaign against Iran.

US Treasury Secretary Scott Bessent, who is scheduled to hold a press conference at 2 p.m. EDT (1800 GMT) on Monday, has threatened to impose "the toughest sanctions in history"…