Seoul: The South Korean currency plummeted against the U.S. dollar during intra-day trading on Wednesday following Donald Trump's victory in the U.S. presidential election. The exchange rate for the won reached 1,400.5 won to the dollar by 8:20 p.m., breaking the 1,400 won barrier for the first time since April 16.According to Yonhap News Agency, the South Korean won opened the day at 1,374 won per dollar at 9 a.m., an increase of 4.6 won from the previous trading session. However, the trend reversed in the morning as the U.S. dollar gained strength amid news of Trump leading over his Democratic opponent Kamala Harris in the Electoral College vote.