Ford Motor Co. announced that it sold 542,749 vehicles in the US during the fourth quarter, reflecting a decline of 9.8% year-over-year. Meanwhile, its US retail sales slipped 3.4% during the same period. Ford's (F) truck sales fell 12.5%, while car sales plunged 41.1%. However, SUV sales improved by 4% during the quarter. The company said that lower F-150 inventories due to the production stoppage amid the coronavirus pandemic took a toll on Ford brand sales, which decreased by 10% year-over-year. Meanwhile, Lincoln brand sales witnessed a decline of 7% during the quarter. While 4Q sales remained weak, the company said that December retail sales increased by 5.3%.