S. Korean banks' Q3 net profit jumps 38 pct on-year

South Korean banks' net profit rose sharply from a year earlier in the third quarter on an increase in interest income, preliminary data showed Monday.The combined net profit of 20 banks in the July-October period came to 5.4 trillion won (US$4.15 billion), up 38.2 percent from a 4.2 trillion won n