SEOUL, Lotte Energy Materials Corp. on Monday reported its 2023 net loss of 49.3 billion won (US$36.9 million), shifting from a profit of 49 billion won a year earlier. The company said in a regulatory filing that it posted 12 billion won in operating profit for the year, compared with 84.8 billion from the previous year. Annual revenue rose 10.9 percent to 809 billion won. Source: Yonhap News Agency