Business · Markets · 33 mins ago
South Korean stocks fall sharply amid AI investment concerns
South Korea’s KOSPI fell sharply in early trading on Oct.
30.
The Yonhap snapshot put the index down 3.16%, while another account said it fell about 4% and slipped below 5,700.
The decline followed concerns about AI investment affecting US technology stocks.
Samsung Electronics and SK Hynix also fell, according to the account describing the steeper drop.
The KOSDAQ, another South Korean stock index, was down 2.38% in the Yonhap snapshot.
The falls show how worries about investment in artificial intelligence can weigh on South Korean shares, including major technology stocks.
South Korea’s Kospi fell more than 3% early on October 30 as technology stocks weakened.
Samsung Electronics and SK Hynix shares declined, adding to pressure on the index.
The selloff followed losses in US technology stocks amid doubts about whether heavy AI investment will generate sufficient returns.
The Kosdaq also fell, while the MSCI Asia Pacific Index was down 0.3%.
- Who
- South Korean stock investors, including holders of Samsung Electronics and SK Hynix shares.
- What
- The Kospi fell more than 3% early in trading, with semiconductor shares among the weakest.
- When
- October 30, 2026, during early trading.
- Where
- South Korea.
- Why
- US technology stocks had fallen amid concerns about AI investment costs and returns, including after disappointing Alphabet earnings.
This story does not have two clearly opposing sides.
US stock gauges retreated as technology shares fell for a second straight session amid disappointing earnings and concerns about AI investment returns.
The Kospi opened 2.99% lower at 5,760.35 and then extended its losses.
The Kospi was down 3.16% at 5,749.81, and the Kosdaq was down 2.38% at 735.31.
The Kospi was down 3.6% at 5,723.8, while Samsung Electronics and SK Hynix were also lower.
- Kospi opening
- 5,760.35, down 2.99%
- Kospi at 9:03 a.m.
- 5,749.81, down 3.16%
- Kosdaq at 9:03 a.m.
- 735.31, down 2.38%
- Samsung Electronics at 9:19 a.m.
- 232,000 won, down 3.77%
- SK Hynix at 9:19 a.m.
- 1,426,000 won, down 6.55%
- MSCI Asia Pacific Index
- Down 0.3%
7 sources
What people are saying
The broader message is that investors want more than AI promises
With technology valuations stretched, the market is demanding clearer evidence that heavy investment will deliver profits and cash flow, driving risk-off sentiment across tech stocks and spilling into Asian markets.
AI uncertainty may not have run its course yet, but the damage to the broad market has so far been limited