( LEAD ) Seoul shares end higher as tech gains ( ATTN : ADDS bond yields at bottom , image ) SEOUL , May 21 ( Yonhap ) -- Seoul shares ended higher Monday as gains in technology stocks helped offset declines in other major stocks . The won fell against the dollar . The benchmark Korea Composite Stock Price Index ( KOSPI ) rose 4 . 92 points , or 0 . 20 percent , to 2 , 465 . 57 . Trade volume was moderate at 570 . 42 million shares worth 5 . 97 trillion won ( US $ 5 . 5 billion ) , with decliners outnumbering advancers 415 to 412 . Technology shares led gains , with market bellwether Samsung Electronics Co . rising 1 . 01 percent to 50 , 000 won and No . 2 chipmaker SK hynix Inc . climbing 1 . 37 percent at 89 , 100 won . Among other gainers , leading steelmaker POSCO rose 0 . 14 percent to 361 , 000 won and top refiner SK Innovation Co . was up 0 . 49 percent to 207 , 000 won . But top carmaker Hyundai Motor Co . fell 0 . 67 percent to 149 , 000 won , No . 1 chemical firm LG Chem Ltd . declined 1 . 60 percent to 338 , 500 won and utility firm Korea Electric Power Corp . was down 1 . 38 percent to 35 , 700 won . The local currency closed at 1 , 085 . 40 won against the U . S . dollar , down 7 . 80 won from the previous session . Bond prices , which move inversely to yields , ended lower . The yield on three - year Treasurys rose 2 . 0 basis points to 2 . 251 percent , and the return on benchmark five - year government bonds also advanced 1 . 8 basis points to 2 . 532 percent . ( END )