CORRECTED-UPDATE 1-GM earnings more than doubles on U.S. truck demand; shares jump
CORRECTED-UPDATE 1-GM earnings more than doubles on U.S. truck demand; shares jump
DETROIT, July 23 (Reuters) - General Motors Co shares surged in premarket trading Thursday after the automaker reported adjusted net income that more than doubled in the second quarter, driven by **rth American truck sales and continued strength in China.