shares of west pharmaceutical services inc wst dropped 005 to 31336 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 115 to 392105 and dow jones industrial average djia falling 071 to 3176154 this was the stocks third consecutive day of losses west pharmaceutical services inc closed 16199 below its 52week high 47535 which the company achieved on september 9th the stock underperformed when compared to some of its competitors tuesday as johnson  johnson jnj rose 071 to 17368 medtronic plc mdt rose 127 to 9190 and stryker corp syk rose 144 to 20441 trading volume 353620 remained 74545 below its 50day average volume of 428165 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