Financial Markets Wall Street

Oil prices leaped on worries that war with Iran could clog the flow of crude, while U.S. stocks swung from sharp losses to tiny gains. The S&P 500 fell as much as 1.2% Monday, and cruise lines and airlines led the way lower on worries about higher fuel bills. But U.S. stocks quickly erased those losses, in part because past military conflicts haven’t usually created sustained drops for the market. The index finished with a gain of less than 0.1%. The Dow dipped 0.1%, and the Nasdaq composite rose 0.4%. Oil and defense stocks rallied. Treasury yields rose with worries about inflation.