Shares of Cognizant Technology Solutions Corp. CTSH, -0.67% sank 0.67% to $65.27 Monday, on what proved to be an all-around grim trading session for the stock market, with the S&P 500 Index SPX, -1.30% falling 1.30% to 4,017.77 and Dow Jones Industrial Average DJIA, -0.77% […]