shares of ipg photonics corp ipgp shed 128 to 13303 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 047 to 438871 and dow jones industrial average djia falling 072 to 3405387 ipg photonics corp closed 430 below its 52week high 13733 which the company reached on june 15th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as teradyne inc ter fell 213 to 10869 lumentum holdings inc lite rose 618 to 6137 and national instruments corp nati fell 052 to 5720 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