Wall Street slips as Walmart helps pull S&P 500 to another loss
By STAN CHOE, TERESA CEROJANO and MATT OTT NEW YORK (AP) — U.S. stock indexes lost ground. The S&P 500 fell 0.4% Thursday, its fifth straight modest loss since setting an all-time high last week. The Dow Jones Industrial Average dipped 0.3%, and the…