Oil prices hit $100 and stocks slow over doubts on the US-Iran ceasefire

Oil prices are climbing back toward $100 per barrel on Thursday, while stock markets worldwide slow following their big gains from the day before. The S&P 500 slipped 0.1% as the United States, Iran, and Israel disagreed on the details of their two-week ceasefire, whose announcement had sent markets flying in optimism on Wednesday. The Dow Jones Industrial Average was down 40 points, or 0.1%, as of 10 a.m. Eastern time, and the Nasdaq composite was 0.2% lower. The oil market was jumpie...