shares of abbott laboratories abt shed 156 to 9785 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 185 to 391832 and dow jones industrial average djia falling 166 to 3225486 this was the stocks fourth consecutive day of losses abbott laboratories closed 2651 short of its 52week high 12436 which the company achieved on april 8th the stock underperformed when compared to some of its competitors thursday as johnson  johnson jnj fell 112 to 15124 trading volume 48 m eclipsed its 50day average volume of 48 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use