Doosan Fuel Cell Co. on Friday reported its second-quarter net loss of 332 million won (US$239,625), remaining in the red compared with a year ago.Operating profit for the April-June period was 2.2 billion won, up 345 percent from a year ago, the company said in a regulatory filing. Revenue rose 75.9 percent to 86.5 billion won.Source: Yonhap News Agency