The Pre might have slowed the drain at Sprint but it hasn't managed to turn things around completely -- America's number three carrier posted a second-quarter loss of $384m as it lost another 257,000 subscribers. That just continues Sprint's trend of bleeding customers to the competition, and we doubt this balance sheet will turn around anytime soon -- not only will next quarter reflect the $483m purchase of Virgin Mobile USA, it's pretty clear that Verizon will get the Pre and
