shares of pentair plc pnr slid 225 to 5092 friday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 110 to 391664 and dow jones industrial average djia falling 119 to 3186198 pentair plc closed 993 short of its 52week high 6085 which the company reached on february 2nd the stock demonstrated a mixed performance when compared to some of its competitors friday as dover corp dov fell 298 to 13657 ingersoll rand inc ir fell 198 to 5246 and xylem inc xyl fell 250 to 9473 trading volume 40 m eclipsed its 50day average volume of 17 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