shares of ipg photonics corp ipgp shed 032 to 12570 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 016 to 399105 and dow jones industrial average djia falling 026 to 3304509 this was the stocks third consecutive day of losses ipg photonics corp closed 1332 short of its 52week high 13902 which the company achieved on february 25th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as teradyne inc ter fell 039 to 10077 lumentum holdings inc lite fell 002 to 5695 and national instruments corp nati fell 060 to 5170 trading volume 226004 remained 76233 below its 50day average volume of 302237 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