General Motors' US auto sales rose 5% in the fourth quarter compared to the same period last year. up 5% from the year-ago period. General Motors stock closed 2.8% higher on Tuesday. During the quarter, the US automaker sold 771,323 vehicles. GM (GM) said that retail deliveries increased 12% year-on-year in 4Q, marking “its best fourth quarter retail sales since 2007.”  The company noted that retail sales for the industry reached pre-pandemic levels during the quarter. For the calendar year 2020, the company’s total deliveries and retail deliveries fell year-on-year by 12% and 6%, respectively.