shares of ipg photonics corp ipgp slid 142 to 10987 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 130 to 401777 and dow jones industrial average djia falling 077 to 3371709 the stocks fall snapped a twoday winning streak ipg photonics corp closed 5210 short of its 52week high 16197 which the company achieved on february 10th the stock demonstrated a mixed performance when compared to some of its competitors monday as teradyne inc ter fell 316 to 10017 lumentum holdings inc lite fell 156 to 5936 and national instruments corp nati fell 048 to 5425 trading volume 168091 remained 91161 below its 50day average volume of 259252 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