NEW YORK, NY - JULY 29: Omnicom CEO John Wren stands on the the floor of the New York Stock Exchange a day after announcing that Omnicom Group and Publicis Groupe will merge to form the world's ... more 
NEW YORK, NY - JULY 29: Omnicom CEO John Wren stands on the the floor of the New York Stock Exchange a day after announcing that Omnicom Group and Publicis Groupe will merge to form the world's largest advertising holding company on July 29, 2013 in New York City. Assuming the deal is apporved, the company will be called Publicis Omnicom Group and be led by Wren and Publicis CEO Maurice Levy. (Photo by Spencer Platt/Getty Images) less 
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Getty Images | Photo By Spencer Platt / Getty Images
Mon, Jul 29, 2013 10:48 AM EDT