shares of west pharmaceutical services inc wst shed 052 to 37534 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 067 to 443926 and the dow jones industrial average djia rising 093 to 3426142 west pharmaceutical services inc closed 1179 below its 52week high 38713 which the company reached on june 30th the stock underperformed when compared to some of its competitors tuesday as abbott laboratories abt rose 045 to 10750 becton dickinson  co bdx rose 069 to 25933 and baxter international inc bax rose 083 to 4603 trading volume 219905 remained 190069 below its 50day average volume of 409974 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