shares of bristol myers squibb co bmy slid 104 to 7455 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 214 to 413799 and dow jones industrial average djia falling 191 to 3306361 bristol myers squibb co closed 604 short of its 52week high 8059 which the company reached on june 27th the stock underperformed when compared to some of its competitors monday as johnson  johnson jnj fell 035 to 16759 merck  co inc mrk fell 100 to 9116 and pfizer inc pfe fell 051 to 4890 trading volume 54 m remained 50 million below its 50day average volume of 104 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