shares of west pharmaceutical services inc wst slumped 031 to 44452 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 022 to 449619 and the dow jones industrial average djia rising 011 to 3540550 this was the stocks third consecutive day of losses west pharmaceutical services inc closed 638 short of its 52week high 45090 which the company reached on august 23rd the stock demonstrated a mixed performance when compared to some of its competitors wednesday as johnson  johnson jnj fell 066 to 17423 medtronic plc mdt rose 149 to 13455 and stryker corp syk rose 014 to 27149 trading volume 256753 remained 70844 below its 50day average volume of 327597 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