shares of cooper cos coo slipped 122 to 38506 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 042 to 449938 and dow jones industrial average djia falling 045 to 3531449 cooper cos closed 1456 below its 52week high 39962 which the company achieved on july 17th the stock underperformed when compared to some of its competitors tuesday as johnson  johnson jnj rose 005 to 17318 trading volume 230383 remained 76056 below its 50day average volume of 306439 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