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Sir Martin Sorrell admits reason for 'September cliff' at WPP, Interpublic Group, Publicis Group & Omnicom is 'difficult to explain'

October 29, 2012


The reason for the sharp slowdown recorded by the big four global marketing companies; WPP, Omnicom, Interpublic Group (IPG) and Publicis is ‘very difficult’ to explain, WPP’s CEO Sir Martin Sorrell has admitted
Read more at http://www.thedrum.com/news/2012/10/27/sir-martin-sorrell-admits-september-cliff-wpp-interpublic-group-publicis-group-and#4CGYvYdDAEpmlJQw.99