Hyundai Motor Co., South Korea's No. 1 automaker, said Monday that its February sales rose 3.4 percent from a year earlier, helped by more working days and solid demand for new car models. The company said it sold 378,844 cars last month, with domestic sales rising 8.2 percent to reach 51,380. Overseas shipments gained 2.7 percent to 327,464 cars.