HD Hyundai Infracore Co. on Monday reported its third-quarter net loss of 25.4 billion won (US$18.4 million), turning from a profit of 49 billion won a year earlier.Operating profit for the July-September period was 20.7 billion won, down 76.9 percent from a year ago, the company said in a regulatory filing. Sales fell 15.5 percent to 909.8 billion won.Source: Yonhap News Agency