Business · Markets · 2 hrs ago
South Korean Chip Shares Fall on US AI Regulation Concerns
South Korean stocks fell early on Nov.
5 after Democrats won key US midterm races in Texas and Georgia, where many data centers are located.
Investors worried the results could lead to tougher rules for AI data centers and slow the expansion of AI infrastructure.
At 9:18 a.m.
in Seoul, the Kospi was down 2.38%, while the Kosdaq was down 1.22%.
Samsung Electronics and SK Hynix shares dropped 3.90% and 6.30%, respectively, while Hyundai Motor and some financial and biotech shares rose.
The concerns followed declines in US chip stocks overnight, with Nvidia and the Philadelphia Semiconductor Index both falling 3.1%.
Foreign investors sold South Korean shares, while domestic individuals and institutions bought them; trading was still under way, and the Kosdaq later extended its losses.
South Korean chip shares fell after Democratic gains in the US midterm elections raised concerns about tighter scrutiny of AI infrastructure.
SK Hynix fell 6.30% and Samsung Electronics fell 3.90% in early trading on Nov. 5.
The Kospi opened down 1.82% at 5,580.09 and was down 2.38% at 5,548.48 by 9:18 a.m.
Investors were concerned that stronger regulation could slow AI data-center construction and weaken demand for semiconductors.
The Philadelphia Semiconductor Index fell 3.1% overnight, reaching its lowest level in six months.
- Who
- South Korean chipmakers, including SK Hynix and Samsung Electronics, saw their shares fall.
- What
- Chip shares and the Kospi declined amid concerns about greater scrutiny and regulation of AI infrastructure.
- When
- Nov. 5, 2026, in early trading in South Korea.
- Where
- South Korea’s stock market, including the Kospi and Kosdaq.
- Why
- Democratic gains in the US midterm elections raised concern that AI data-center construction could face tighter regulation.
This story does not have two clearly opposing sides.
US market trading saw Nvidia and the Philadelphia Semiconductor Index fall 3.1% amid concerns about AI data-center investment and semiconductor demand.
The Kospi opened 1.82% lower at 5,580.09, while the Kosdaq opened 0.20% lower at 713.49.
The Kospi was down 2.38% at 5,548.48, and SK Hynix and Samsung Electronics were down 6.30% and 3.90%, respectively.
- SK Hynix
- Down 6.30% at 9:18 a.m. on Nov. 5
- Samsung Electronics
- Down 3.90% at 9:18 a.m. on Nov. 5
- Kospi opening level
- 5,580.09, down 1.82%
- Kosdaq opening level
- 713.49, down 0.20%
- Foreign net selling on Kospi
- 284.4 billion won at 9:18 a.m.