South Korean shares post biggest jump in 3 months as SK Hynix beats forecasts

LG Energy Solution

28/10/2026 07:27

KOSPI rises, foreigners net buyers
Korean won weakens against dollar
South Korea benchmark bond yield rises
For the midday report, please click nL2N46E01R
SEOUL, Oct 28 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares rallied more than 6% on Wednesday and posted their biggest jump in three months, as chipmakers surged after SK Hynix's higher-than-expected third-quarter results reassured investors that AI demand remained robust.
** The benchmark KOSPI .KS11 closed up 374.10 points, or 6.63%, at 6,012.44, marking its biggest daily percentage rise since July 31.
** Samsung Electronics 005930.KS rose 9.01% and SK Hynix 000660.KS gained 10.89%, with both chipmakers marking their biggest gain since August 20. 
** SK Hynix said it would return about $75 billion to shareholders this year, after reporting a more than seven-fold jump in quarterly profit as AI infrastructure demand continues to drive up memory chip prices.    
** "Stocks extended gains after SK Hynix said in a conference call that production was sold out through 2029," said Seo Sang-young, an analyst at Mirae Asset Securities.
** Among other index heavyweights, battery maker LG Energy Solution 373220.KS climbed 1.83%, Hyundai Motor 005380.KS rose 1.89% and sister automaker Kia Corp 000270.KS was up 1.31%.
** Steelmaker POSCO Holdings 005490.KS added 2.17%, while drugmaker Samsung Biologics 207940.KS fell 0.15%.
** Of the total 915 traded issues, 582 shares advanced, while 289 declined.
** Foreigners were net buyers of shares worth 815.7 billion won ($615.12 million).
** The won was quoted at 1,337.7 per dollar on the onshore settlement platform KRW=KFTC, 0.78% lower than its previous close at 1,327.2.
** In money and debt markets, December futures on 3-year treasury bonds KTBc1 lost 0.10 point to 103.24.
** The most liquid 3-year Korean treasury bond yield KR3YT=RR fell by 0.4 basis points to 3.794%, while the benchmark 10-year yield KR10YT=RR rose by 6.4 basis points to 4.106%.

($1 = 1,326.0900 won)

 (Reporting by Jihoon Lee; Editing by Janane Venkatraman)
 ((jihoon.lee@thomsonreuters.com;))