The Korean won weakened past the 1,500 mark against the U.S ... The won-dollar exchange rate opened at 1,505 per dollar, up 21.9 won from the previous session, before closing at 1,501 won in onshore trading.
The Korean currency fell markedly for the second straight session against the U.S ...Higher oil prices put downward pressure on the Korean won as they increase the country's demand for dollars to pay for crude imports.