Elon Musk says Tesla has not signed contract with Hertz. Hertz says deliveries have already started. - NewsBreak

Chief executive Elon Musk seemed to question the big jump in Tesla stock that followed his car company's announced deal with Hertz, saying in a tweet that "no contract has been signed yet." But Hertz countered that deliveries have already started. Mr. Musk had been responding to a tweet...