NEW YORK (MarketWatch) -- U.S. stocks turned mostly lower on Thursday, with consumer-staples the hardest-hit sector, as investors found reason for caution in a largely stellar earnings season. Shares of Colgate-Palmolive Co. /quotes/comstock/13*!cl/quotes/nls/cl (CL 74.59, -0.17, -0.23%) were down 8% after the world's largest toothpaste maker missed second-quarter revenue estimates. The Dow Jones Industrial Average /quotes/comstock/10w!i:dji/delayed (DJIA 10,387, +46.32, +0.45%) fell 23.61 points to 10,468.06. The S&P 500 /quotes/comstock/21z!i1:in\x (SPX 1,099, +7.03, +0.64%) dropped 4.97 points to 1,101.16. The Nasdaq Composite /quotes/comstock/10y!i:comp (COMP 2,229, +19.98, +0.90%) was down 16.35 points at 2,248.20.








