shares of ipg photonics corp ipgp shed 208 to 8302 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 033 to 357703 and dow jones industrial average djia falling 010 to 2921085 this was the stocks second consecutive day of losses ipg photonics corp closed 9752 below its 52week high 18054 which the company reached on november 2nd the stock demonstrated a mixed performance when compared to some of its competitors wednesday as northrop grumman corp noc fell 294 to 49238 and ciena corp cien rose 074 to 3945 trading volume 332354 eclipsed its 50day average volume of 307234 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