Morgan Stanley Says You Should Be Selling Omnicom By: Benzinga via Benzinga October 16, 2017 at 14:48 PM EDT Morgan Stanley analysts Benjamin Swinburne, Maria Ripps and James J. Luan downgraded Omnicom Group Inc. (NYSE: OMC) from Equal-Weight to ... Read More >> Related Stocks: Accenture Plc Bio-Techne Corp International Business Machines Interpublic GroupCompanies Omnicom Group