shares of pentair plc pnr slipped 198 to 7373 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 091 to 466897 and dow jones industrial average djia falling 089 to 3565095 pentair plc closed 667 below its 52week high 8040 which the company reached on august 16th the stock underperformed when compared to some of its competitors monday as dover corp dov rose 023 to 17175 xylem inc xyl fell 057 to 12210 and idex corp iex rose 010 to 23653 trading volume 11 m remained 12618 below its 50day average volume of 11 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