Naver Corp. on Friday reported its fourth-quarter net income of 301.8 billion won (US$226.6 million), up 129 percent from a year earlier.Operating profit for the October-December period was 405.5 billion won, up 20.5 percent from a year ago, the company said in a regulatory filing. Revenue rose 11.7 percent to 2.53 trillion won.The earnings fell behind market expectations. The average estimate of net profit by analysts stood at 341.4 billion won, according to a survey by Yonhap Infomax, the financial data firm of Yonhap News Agency.Source: Yonhap News Agency