Doosan Robotics Inc. on Thursday reported its second-quarter net loss of 3.7 billion won (US$2.7 million), remaining in the red compared with a year ago.The company said in a regulatory filing that it continued to post an operating loss of 7.9 billion won for the April-June period, compared with a loss of 5.4 billion won a year earlier. Sales rose 10.1 percent to 14.4 billion won.Source: Yonhap News Agency