South Korea's foreign exchange reserves edged down on-month in April.<br />The Bank of Korea says reserves amounted to 404 billion U.S. dollars, down one-point-two billion dollars from March.<br />The central bank attributed the fall to a stronger dollar which pulled down the value of other foreign currency assets.<br />As of the end of March, South Korea had the world's ninth largest foreign exchange reserves, with China topping the list. <br />