South Korea\'s top financial regulator urged major banking groups Tuesday to beef up their management of foreign exchange liquidity amid worries the ongoing financial turmoil would dent the country\'s economic health. \"Banks should not repeat their practice of depending on the government and the central bank when they face difficulties in foreign exchange procurement,\" Financial Services Commission (FSC) Chairman Kim Seok-dong said in a meeting with the heads of the country\'s top five banking groups.