NEW YORK (AP) — The U. S. stock market wobbled to an uneven close as uncertainty continues about how long the war with Iran will last. The S&P 500 initially fell Tuesday to an early-morning loss of 0. 8% and gave back much of its surge from Monday. It quickly erased that loss, and then yo-yoed throughout much of the day before ending 0. 4% lower. The Dow Jones Industrial Average slipped 0. 2%, while the Nasdaq composite fell 0. 8%. Smaller stocks bucked the downward trend and rose. Oil back...