SEOUL, SK Chemicals Co. on Wednesday reported its fourth-quarter net loss of 10.6 billion won (US$8 million), swinging from a profit of 83.5 billion won a year earlier. The company said in a regulatory filing that operating income for the October-December period fell 85.7 percent on-year to 6.4 billion won. Revenue decreased 9.6 percent to 431.6 billion won. Source: Yonhap News Agency