rtokens: " A sale of about $ 60 million by Hyundai Heavy pushed the dollar down earlier in the day , but Monday 's import needs helped it recover , " said a Koram Bank dealer .
pos: PRP VBD IN CD CC CD .
tokens: It ranged between 830.20 and 831.40 .
ltokens: The won ended at 831.00 , slightly down from an opening of 830.60 .