Archive · 28 Jul 2026
South Korean chip stocks plunge amid AI concerns and China competition
South Korean chip stocks like Samsung Electronics and SK Hynix fell a lot on Tuesday.
Investors are worried about spending on AI technology and competition from Chinese companies.
SK Hynix's shares in the US also dropped below their initial price.
Nvidia, a big AI chipmaker, also saw its shares fall.
Chinese companies are making progress in chip technology, which is making investors nervous.
The South Korean stock market, which has been doing well because of AI, is now facing questions about its future.
South Korean semiconductor stocks tumbled, with Samsung Electronics falling 9.5% and SK Hynix plunging 11.1%.
Investors are concerned about AI infrastructure spending, competition from China, and corporate earnings.
SK Hynix's US-listed shares dropped below their initial public offering price.
Chinese chipmakers, like CXMT, are making progress, intensifying competition in the global semiconductor market.
The KOSPI index dropped around 8% in early trade, activating trading curbs.
- Who
- South Korean semiconductor companies (Samsung Electronics, SK Hynix), Chinese chipmakers (CXMT), Nvidia, investors
- What
- Sharp selloff in South Korean chip stocks due to AI concerns and competition from China
- When
- Tuesday, July 28, 2026
- Where
- South Korea, global markets
- Why
- Concerns over AI infrastructure spending, competition from China, and investor caution ahead of corporate earnings
Optimistic View
Pessimistic View
AI Infrastructure Spending
Optimistic View
AI infrastructure spending will continue to drive demand for advanced memory chips, benefiting South Korean semiconductor companies.
Pessimistic View
Financing risks and competition from China may slow down AI infrastructure spending, reducing demand for South Korean chips.
Chinese Competition
Optimistic View
Chinese chipmakers are still catching up and may not pose an immediate threat to South Korean dominance in the semiconductor market.
Pessimistic View
Chinese companies are rapidly closing the technology gap and could intensify competition, challenging South Korean market share.
- Samsung Electronics
- Fell 9.5%
- SK Hynix
- Plunged 11.1%
- KOSPI Index
- Dropped 8% in early trade
- SK Hynix US-listed shares
- $143.02 (below IPO price of $149)
- Nvidia shares
- Fell nearly 5%
- CXMT IPO
- Blockbuster market debut