...General Motors Co (GM.N) posted December U.S. sales growth of 5 percent compared with the year-earlier month, Ford Motor Co (F.N) increased sales 2 percent and Chrysler Group LLC's sales rose 10 percent.
Wall Street cheered the results, sending GM and Ford stock to their highest levels since July 2011. GM shares ended 2.4 percent higher at $29.82 and Ford shares were up 2 percent to end at $13.46 on Thursday.
Research and consulting firm Polk said it expects U.S. auto sales to hit 15.3 million vehicles in 2013. GM and Ford both predicted industry sales of more than 15 million vehicles, but Toyota Motor Corp (7201.T) offered a more modest forecast of 14.7 million vehicles.
For the year just ended, U.S. auto sales rose 13.5 percent to nearly 14.5 million new vehicles, the best performance since 2007, according to Reuters calculations.