U.S. stock indexes slipped and gave back some of their rallies from the day before, while oil prices got back to rising. The S&P 500 fell 0.4% Tuesday after yo-yoing through the day. The Dow Jones Industrial Average dipped 0.2%, and the Nasdaq composite sank 0.8%. Oil prices clawed back some of their steep 10% drops from the prior day, while Treasury yields climbed in the bond market. Markets regressed as attacks continued in the war with Iran, a day after President Donald Trump raised hopes a potential end to fighting could come soon.