shares of perrigo co plc prgo dropped 042 to 3793 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 075 to 361239 and dow jones industrial average djia falling 032 to 2920288 this was the stocks third consecutive day of losses perrigo co plc closed 1002 short of its 52week high 4795 which the company achieved on november 8th the stock demonstrated a mixed performance when compared to some of its competitors monday as daiichi sankyo co ltd dskyf rose 176 to 2943 catalent inc ctlt fell 265 to 7498 and united therapeutics corp uthr fell 040 to 20595 trading volume 827092 remained 448997 below 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