shares of interpublic group of cos ipg shed 166 to 3319 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 190 to 456700 and dow jones industrial average djia falling 186 to 3448372 interpublic group of cos closed 616 below its 52week high 3935 which the company achieved on september 27th the stock underperformed when compared to some of its competitors tuesday as omnicom group inc omc fell 024 to 6731 and publicis groupe sa adr pubgy fell 107 to 1619 trading volume 85 m eclipsed its 50day average volume of 31 m 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