South Korea shares mark second weekly decline

SAMSUNG BIOLOGICS

28/08/2026 08:01

KOSPI falls, foreigners net sellers
Korean won strengthens against dollar
South Korea benchmark bond yield rises
For the midday report, please click nL1N44P02B
SEOUL, Aug 28 (Reuters) - Round-up of South Korean financial markets: ** South Korean shares logged a second weekly decline as the AI optimism following Nvidia's outlook waned while investors stayed cautious ahead of the Federal Reserve's Jackson Hole event. The won strengthened to the strongest level against the dollar since July 2025, while the benchmark bond yield rose. ** The benchmark KOSPI .KS11 closed down 123.49 points, or 1.79%, at 6,788.88. For the week, the index declined 1.79%. ** Among index heavyweights, chipmaker Samsung Electronics 005930.KS fell 3.38%, while peer SK Hynix 000660.KS lost 4.45%. Battery maker LG Energy Solution 373220.KS slid 0.13%.
** Nvidia's second-quarter revenue more than doubled to $96.22 billion, beating estimates of $92.17 billion.  
** Federal Reserve officials shared on Thursday their ongoing concerns about the U.S. inflation landscape, as central bankers gathered in Jackson Hole, Wyoming, for the Kansas City Fed's closely watched annual economic symposium.      ** Hyundai Motor 005380.KS and sister automaker Kia Corp 000270.KS were up 0.38% and 1.51%, respectively. Steelmaker POSCO Holdings 005490.KS shed 0.59%, while drugmaker Samsung BioLogics 207940.KS fell 6.78%. ** Of the total 910 traded issues, 640 shares advanced, while 238 declined. ** Foreigners were net sellers of shares worth 1,756.4 billion won. ** In offshore trading, the won KRW= was quoted at 1,373.3 per dollar, up 0.6% on the day, while in non-deliverable forward trading its one-month contract KRW1MNDFOR= was quoted at 1,372.9. ** The KOSPI has risen 61.10% so far this year. ** The won has strengthened 4.9% against the dollar so far this year. ** In money and debt markets, September futures on three-year treasury bonds KTBc1 lost 0.17 point to 103.34. ** The most liquid three-year Korean treasury bond yield KR3YT=RR rose by 4.4 basis points to 3.798%, while the benchmark 10-year yield KR10YT=RR rose by 3.3 basis points to 4.285%.

 (Reporting by Cynthia Kim; Editing by Devika Syamnath)
 ((Cynthia.Kim@thomsonreuters.com; 822 3704 5655; Reuters Messaging: cynthia.kim.thomsonreuters.com@reuters.net))