Hanon Systems on Thursday reported its second-quarter net loss of 31.2 billion won (US$22.7 million), swinging from a profit of 110.6 billion won a year earlier.Operating income for the April-June period was 71.6 billion won, down 50.1 percent from a year ago, the company said in a regulatory filing. Sales rose 5.4 percent to 2.55 trillion won.Source : Yonhap News Agency