Brent heads toward a 5% weekly gain as stalled US-Iran talks and Hormuz attacks push oil prices toward $100.

Oil prices are heading for a roughly 4% weekly gain as prolonged U.S.-Iran tensions and restricted Hormuz traffic outweigh bearish demand forecasts and a sharp rise in U.S. crude…

Crude oil prices were on course for a weekly gain of about 4 percent as the United States and Iran remained divided over a potential peace...