U.S. stock futures slid lower and oil prices surged more than 5% after President Donald Trump said Wednesday that the interim agreement with Iran is over, though he will allow talks to continue. Futures for the S&P 500 were down 0.7% before the opening bell, while futures for the Dow Jones Industrial Average slid 1%. Nasdaq futures were off 1.1%. Trump made the comments following U.S. strikes on Iran that were a retaliation for attacks on three ships in the Strait of Hormuz. The price of Brent c