South Korea saw a fresh high in its foreign exchange reserves for the month of December.<br /> According to the Bank of Korea on Friday, F-X reserves amounted to just under 403-point-7 billion U.S. dollars... up 710-million dollars from the previous month.<br />This is the highest figure since September. <br />The BOK attributed the increase to a weaker greenback... which in turn means an increase in the value of other currencies when converted into dollars.<br />In general, foreign exchange reserves are held to back up the national currency in case of a devaluation.<br />As of the end of November, South Korea had the eighth biggest F-X reserves in the world.<br />The country with the most was China. <br />