shares of cooper cos coo slid 367 to 32015 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 388 to 374963 and dow jones industrial average djia falling 279 to 3051674 this was the stocks fourth consecutive day of losses cooper cos closed 14344 below its 52week high 46359 which the company reached on september 3rd the stock underperformed when compared to some of its competitors monday as johnson  johnson jnj fell 101 to 17081 novartis ag adr nvs fell 297 to 8253 and boston scientific corp bsx fell 220 to 3641 trading volume 273493 remained 62430 below its 50day average volume of 335923 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