shares of omnicom group inc omc advanced 202 to 9298 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 114 to 413729 and the dow jones industrial average djia rising 111 to 3424593 omnicom group inc closed 354 below its 52week high 9652 which the company reached on february 8th the stock outperformed some of its competitors monday as trade desk inc cl a ttd fell 012 to 4863 and gartner inc it rose 110 to 35146 trading volume 20 m eclipsed its 50day average volume of 17 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