Seoul Shares Rise for Fifth Straight Day on Chip Rally
Key Takeaways
- โขThe KOSPI extended its winning streak to a fifth consecutive session, driven primarily by semiconductor stock gains.
- โขSamsung Electronics and SK Hynix, the world's two largest memory chip producers, carry among the heaviest weightings in the KOSPI and frequently determine the index's overall direction.
- โขGlobal investor focus on Korean chipmakers stems from surging demand for high-bandwidth memory chips used in AI accelerators and data center construction.
- โขKorean semiconductor manufacturers are positioned as key beneficiaries of the ongoing global expansion in AI infrastructure.

Seoul shares extended their winning streak to a fifth consecutive session, driven by a rally in semiconductor stocks.
The Korea Composite Stock Price Index (KOSPI) gained ground as major chipmakers led the broader market higher, with investor attention focused on the semiconductor sector's momentum. South Korea is home to the world's two largest memory chip producers, Samsung Electronics and SK Hynix, which carry among the heaviest weightings in the KOSPI and often set the direction for the broader index. The semiconductor sector has been a focal point for global investors amid surging demand for high-bandwidth memory (HBM) chips used in AI accelerators and data center buildout, positioning Korean chipmakers as key beneficiaries of the ongoing AI infrastructure expansion.
Source: Korea Herald Business