The US and Iran signed a preliminary deal covering a ceasefire extension and Hormuz reopening, but oil traders and shipowners remain cautious ahead of the

Stocks rose after a preliminary U.S.-Iran agreement, but questions remain over Hormuz, Israel and what follows a potential signing in Geneva.

Crude oil prices fell after the US-Iran peace deal. The Strait of Hormuz may reopen, but experts say oil supply challenges could continue.