shares of pentair plc pnr shed 536 to 4500 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 432 to 393269 and dow jones industrial average djia falling 394 to 3110497 the stocks fall snapped a fourday winning streak pentair plc closed 3510 below its 52week high 8010 which the company reached on november 22nd the stock underperformed when compared to some of its competitors tuesday as dover corp dov fell 280 to 12683 xylem inc xyl fell 398 to 9372 and idex corp iex fell 152 to 20797 trading volume 13 m remained 137581 below its 50day average volume of 14 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