shares of abbott laboratories abt sank 024 to 11126 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 061 to 399532 and dow jones industrial average djia falling 042 to 3396635 the stocks fall snapped a fiveday winning streak abbott laboratories closed 3134 below its 52week high 14260 which the company reached on december 27th the stock underperformed when compared to some of its competitors wednesday as johnson  johnson