U.S. stocks rose Wednesday and global oil prices fell in yet another volatile trading session as traders and investors were buffeted by constant headlines about the war in Iran. News of a 15-point U.S. peace plan proposal sparked hopes early in the day that the Trump administration was moving to end its monthlong war against Iran. Initially, the S&P 500 and the Nasdaq 100 futures rose more than 1%. But reports that Iran had responded negatively to the proposal briefly knocked index futures off their pre-market highs and lifted oil prices off their morning lows. Despite the early setback, stocks closed the trading day higher. At 4 p.m. ET, the S&P 500 index was up about 0.4%, the Nasdaq Composite closed 0.7% higher, and the Dow jumped 305 points. The Russell 2000 index of smaller companies rose 1.1%. The price of U.S. crude oil also traded off its lowest levels…
