Donald Trump posts ‘Let the oil flow’ as US-Iran peace deal sparks immediate drop for Brent crude Middle East crisis: live updates Peace deal between US and Iran announced, with strait of Hormuz expected to reopen What do we know about the US-Iran peace deal – and what questions remain? Global oil prices have tumbled and stock markets rallied amid fresh hopes that a US-Iran peace deal may end the greatest energy supply crisis in the history of the market. The price of Brent crude dropped 4% to b