Comcast Faces US Probe Over ‘Spot’ Cable Ad Sales

MarketWatch: The U.S. Justice Department is investigating whether Comcast’s business practices in the $5 billion cable advertising-sales market violate federal antitrust law. The department’s antitrust division is probing whether Comcast’s  cable ad sales, as well as its deals to represent rival pay TV providers’ ad sales, are hindering competition. The investigation is focused on “monopolization or attempted monopolization” of the “spot” cable ad sales business.