Kolmar Korea Co. on Tuesday reported its fourth-quarter net loss of 43.3 billion won (US$32.5 million), remaining in the red compared with a year ago.Operating income for the October-December period was 37.8 billion won, up 337.9 percent from a year ago, the company said in a regulatory filing. Sales rose 15.2 percent to 551.6 billion won.Source: Yonhap News Agency