South Korean stocks rise on semiconductor gains driven by AI optimism
Quick Look
South Korean stocks rose sharply on Monday as investors bought semiconductor shares on optimism about AI-related demand, with KOSPI up 2.97% to 6,886.09 by 11:20 a.m., led by gains in Samsung Electronics, SK hynix, and chip equipment firms, while the won strengthened to 1,344.15 per dollar.
AI-generated summary
Why It Matters
South Korean stocks opened higher on Monday as investors reacted to optimism about AI-related demand boosting semiconductor demand, following the release of OpenAI's GPT-6 Astra and a lower close on Wall Street.
SEOUL, Sept. 7 (Yonhap) -- South Korean stocks traded sharply higher late Monday morning as investors scooped up semiconductor shares on optimism on further artificial intelligence (AI)-related demand.
Opening 3.34 percent higher, the benchmark Korea Composite Stock Price Index (KOSPI) was trading up 198.88 points, or 2.97 percent, to 6,886.09, as of 11:20 a.m.
Wall Street closed lower Friday, but the PHLX semiconductor index rose 3.38 percent on the release of OpenAI's new GPT-6 Astra, which is expected to boost demand for memory chips.
In Seoul, tech shares traded in positive territory.
Chip giant Samsung Electronics rose 3.91 percent, and its rival SK hynix jumped 5.4 percent.
SK Square, the parent of SK hynix, soared 5.67 percent, and Hanmi Semiconductor, a leading chip equipment firm, vaulted 5.43 percent.
Energy company Doosan Enerbility climbed 5.93 percent and entertainment giant CJ ENM added 3.48 percent.
However, leading shipbuilder HD Hyundai Heavy Industries fell 0.11 percent and major pharma Celltrion declined 0.96 percent.
The Korean won was quoted at 1,344.15 won against the U.S. dollar as of 11:20 a.m., up 5.65 won from the close of the previous stock trading session.
What to Watch
AI outlook โ possibilities, not facts
Semiconductor stocks in South Korea may continue to rise if AI-driven demand remains strong
Possible ยท Within weeks
Open Questions
- How sustained will the AI-driven semiconductor demand be?
- Will the gains in tech stocks continue beyond the immediate reaction to GPT-6 Astra?
- How will the weaker performance in shipbuilding and pharmaceuticals affect broader market sentiment?







