NEW YORK (AP) — U.S. stock indexes slipped Tuesday and gave back some of their rallies from the day before, while oil prices got back to rising as uncertainty continues about how long the war with Iran will last. The S&P 500 fell 0.4% after yo-yoing through the day. The Dow Jones Industrial Average dipped 84 points, or 0.2%, while the Nasdaq composite sank 0.8%. Markets have been on a roller coaster since President Donald Trump raised hopes that the war with Iran could end soon when he said Monday that ...