U.S. stocks turned lower toward the end of trading, with the Dow Jones index dipping more than 200 points on Wednesday.The Dow traded down 0.55% to 38,784.80 while the NASDAQ fell 0.67% to 16,257.11. The S&P 500 also fell, dropping, 0.45% to 5,216.41.Leading and Lagging SectorsEnergy shares climbed by 1.7% on Wednesday.In trading on Wednesday, health care shares fell by 0.6%.Top HeadlineCVS Health Corp CVS shares fell over 1% on Wednesday fell after the company reported mixed second-quarter earnings and cut ...