We recently maintained a Neutral recommendation on Omnicom Group Inc. (OMC). New York-based Omnicom is among the largest advertising, marketing and corporate communication companies in the world. Its services span across four disciplines including traditional media advertising, customer relationship management (CRM), public relations and specialty communications. Omnicom continues to generate new business wins and acquire [...] (OMC) Omnicom Group Analyst Assigns Neutral Rating on Shares