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BlackBerry 10 game-changer?

Shares of the BlackBerry maker jumped more than 6% Fri. after Jefferies raised its stock rating to buy and lifted its price target to 19.50 from 13, based in part on prospects for strong sales of its new BlackBerry 10 smartphone. The bank also cited Research In Motion's (RIMM) future as a software provider for Apple (AAPL) iPhones and Google (GOOG) Android phones. The bank said RIM will enable BlackBerry email on iPhones and Android devices, a change it said isn't fully factored in by investors yet. RIM shares rose 6.2% to 15.84.