A probe has been launched eight major companies over their online pricing practices, it has been revealed. The competition watchdog, Competition and Markets Authority (CMA), has opened investigations into StubHub, Viagogo, AA Driving School, BSM Driving School, Gold's Gym, Wayfair, Appliances Direct and Marks Electrical. Cases were the first launched using its new consumer protection powers and followed a "cross-economy" review of online pricing and sales practices. The watchdog said it was