GM says 2018 earnings to top prior forecast, shares jump 7 percent

(Reuters) - General Motors Co said on Friday it expects 2018 adjusted earnings per share to exceed its prior estimates and forecast 2019 earnings above Wall Street expectations, sending its shares up more than 7 percent.The largest U.S. carmaker said in October it expected adjusted 2018 earnings of $5.80-$6.20 (£4.5-£4.8).The company also expects adjusted free cash flow for 2018 to be above its previous guidance.GM forecast 2019 adjusted earnings per share in the range of $6.50 to $7.00,..