South Korea\'s trade balance posted a surplus of 4.48 billion U.S. dollars last month due to the continued export growth that offset a rise in imports, a government report showed Saturday. Trade surplus reached 4.48 billion dollars in November, up from a surplus of 3.73 billion dollars tallied in the previous month, according to the report by the Ministry of Knowledge Economy. Exports increased 3.9 percent on-year to 47.8 billion dollars in November, keeping the growth trend for two months in a row. Imports rose 0.7 percent to 43.32 billion dollars over the cited period.