Samsung Fire & Marine Insurance Co., South Korea\'s leading non-life insurer, said Wednesday its net income moved down 24.7 percent in the first quarter of fiscal 2013 on rising loss rates. Net profit came to 189.1 billion won (US$168.5 million) in the April-June period, compared with 131.4 billion won a year earlier, the company said in a regulatory filing. The firm closed their books on March 31.