Key TakeawaysGeneral Motors posted better-than-expected profit and sales as it kept prices steady and controlled costs. The biggest U.S. carmaker raised the low end of its profit guidance.General Motors shares traded at their highest level since January 2022. General Motors (GM) shares surged Tuesday after the biggest U.S. carmaker posted better-than-expected results and raised its profit guidance on steady pricing and cost controls. The company reported third-quarter adjusted earnings per share (EPS) of $2 ...