A US district judge rules that Amazon must face a class action lawsuit involving 288M customers over claims it overcharged for products sold by third parties (Mike Scarcella/Reuters)

Mike Scarcella / Reuters : A US district judge rules that Amazon must face a class action lawsuit involving 288M customers over claims it overcharged for products sold by third parties —  Amazon.com (AMZN.O) must face a class action on behalf of hundreds of millions of U.S. consumers over claims that the online retail …