shares of cooper cos coo slid 228 to 33724 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 200 to 399734 and dow jones industrial average djia falling 206 to 3312959 cooper cos closed 9343 short of its 52week high 43067 which the company reached on march 4th the stock underperformed when compared to some of its competitors tuesday as johnson  johnson jnj fell 149 to 15800 trading volume 192385 remained 108082 below its 50day average volume of 300467 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