외환보유액, 90억달러 '급감'..4000억달러 턱걸이<br /><br />South Korea's foreign exchange reserves fell by the most in more than 11 years.<br />According to the nation's central bank March figures were down from February by 8-point-9-6 billion U.S. dollars, for a total of 4-hundred-point-2-1 billion.<br />That was the fastest on-month decline since November 2008.<br />The Bank of Korea largely attributed the drop to its intervention in the currency market... as well as the stronger greenback.<br />