shares of ipg photonics corp ipgp shed 289 to 12954 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 045 to 432882 and dow jones industrial average djia falling 004 to 3371471 ipg photonics corp closed 779 short of its 52week high 13733 which the company reached on june 15th the stock underperformed when compared to some of its competitors monday as teradyne inc ter rose 079 to 10599 lumentum holdings inc lite rose 076 to 5571 and national instruments corp nati rose 028 to 5726 trading volume 186265 remained 58641 below its 50day average volume of 244906 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