South Korea's foreign exchange reserves jumped on-month in September.<br />The Bank of Korea says the reserves amounted to 403 billion U.S. dollars last month, up one-point-eight billion dollars from August.<br />The central bank attributed the rise to increase in revenue from its investments in foreign assets.<br />As of the end of August, South Korea had the world's ninth largest foreign exchange reserves, with China remaining top of the pile.<br />
