shares of perrigo co plc prgo slid 242 to 3794 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 110 to 398616 and dow jones industrial average djia falling 096 to 3179087 this was the stocks third consecutive day of losses perrigo co plc closed 1296 below its 52week high 5090 which the company reached on september 30th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as daiichi sankyo co ltd dskyf rose 536 to 3067 catalent inc ctlt fell 325 to 8928 and united therapeutics corp uthr rose 068 to 21897 trading volume 15 m eclipsed its 50day average volume of 13 m 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