POSCO International on Wednesday reported its third-quarter net profit of 237.5 billion won (US$171.7 million), up 21.7 percent from a year earlier.Operating profit for the July-September period was 357.2 billion won, up 14.6 percent from a year ago, the company said in a regulatory filing. Revenue rose 3.9 percent to 8.35 trillion won.Source: Yonhap News Agency