Woori Financial Group Inc. on Friday reported its first-quarter net income of 839.5 billion won (US$610.4 million), down 11.3 percent from a year earlier. Operating profit for the January-March period was 1.14 trillion won, down 8.2 percent from a year ago, the company said in a regulatory filing. Sales rose 2.4 percent to 12.85 trillion won. The earnings beat market expectations. The average estimate of net profit by analysts stood at 808.3 billion won, according to a survey by Yonhap Infomax, the financial data firm of Yonhap News Agency. Source: Yonhap News Agency