shares of cooper cos coo rallied 267 to 34157 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 075 to 385297 and the dow jones industrial average djia rising 040 to 3326977 this was the stocks second consecutive day of gains cooper cos closed 8910 short of its 52week high 43067 which the company achieved on march 4th the stock outperformed some of its competitors wednesday as johnson  johnson jnj rose 109 to 18013 trading volume 294081 remained 49251 below its 50day average volume of 343332 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