shares of pentair plc pnr sank 038 to 5017 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 063 to 413215 and dow jones industrial average djia falling 067 to 3299012 the stocks fall snapped a threeday winning streak pentair plc closed 3023 below its 52week high 8040 which the company reached on august 16th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as dover corp dov fell 048 to 13391 xylem inc xyl fell 193 to 8425 and idex corp iex fell 031 to 19155 trading volume 32 m eclipsed its 50day average volume of 16 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