shares of omnicom group inc omc inched 011 higher to 9180 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 007 to 404842 and the dow jones industrial average djia rising 012 to 3343144 omnicom group inc closed 472 short of its 52week high 9652 which the company reached on february 8th the stock demonstrated a mixed performance when compared to some of its competitors monday as trade desk inc cl a ttd fell 080 to 5683 and gartner inc it rose 228 to 34142 trading volume 21 m eclipsed its 50day average volume of 16 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