SK Networks Co. on Monday reported its second-quarter net profit of 21.2 billion won (US$15.5 million), up 115.2 percent from a year earlier.The company said in a regulatory filing that it posted 29.1 billion won in operating profit for the quarter, compared with 25.3 billion won a year ago. Revenue rose 0.6 percent to 1.68 trillion won.Source: Yonhap News Agency