South Korean companies expanded their treasury stock purchases in August in a bid to prevent stock prices from further sliding amid market volatility , data showed on September 7 . The data released by the Korea Exchange showed daily treasury stock purchases last month soared compared to the average figure in the first seven months . In August , 27 companies per day bought treasury stocks worth 18 . 4 billion won ( $ 17 . 3 million ) . Before August , 21 companies per day purchased treasury stocks worth 6 . 5 billion won . Their efforts to defend plummets in stock prices were also successful . Shares of 42 companies which bought treasury stocks in August fell only 7 . 94 % on average , lower than the benchmark KOSPI ’ s decline of 11 . 86 %. The largest treasury stock buyer was Kia Motors with 105 . 3 billion won , followed by SK Telecom with 102 . 9 billion won and NHN with 50 . 3 billion won . [ Written by Sae - bom Lee / edited by Soyoung Chung ] ▶ [ 화보 ] 김하늘 , 수영복 몸매 화제 ` 늘씬 하 네 ~`▶ 기아차 , 신형 프라이드 성능 보 니 " 와우 ! "▶ 최준희 , 12 주 만 에 80 kg 감량 화제 ▶ 써니 , “ 내게 집착 하 던 남자 연예인 있 다 ” ▶ 영정 속 웃 고 있 는 故 장효조 감독 [ 아츠 포토 ] [ ⓒ Maeil Business Newspaper & mk . co . kr , All rights reserved ]