The pause follows a container ship being struck near the coast of Oman on Thursday, with a U.S. official saying that Iran was responsible for the attack.
Early signs of reopening of the Strait of Hormuz have lifted the most acute threat to global energy supplies but economic damages from the war will take months to unwind.
Trump said in an interview with Axios on Thursday evening stateside that he negotiated the deal to prevent the conflict from triggering a global depression.