Interpublic says U.S. govt sought video production data

NEW YORK, Dec (Shanghai: 600875.SS - news) 7 (Reuters) - Interpublic Group of Cos , one of the world's biggest advertising companies, said on Wednesday that the U.S. Justice Department had asked one of its standalone domestic agencies for documents regarding video production practices. It disclosed the request a day after the Wall Street Journal reported that the Justice Department's Antitrust Division was examining whether advertising agencies rigged bids to favor in-house production units, cit