South Korea · Story · Markets
KOSPI volatility driven by tech sector and AI concerns
The KOSPI has experienced significant fluctuations due to tech stock performance and ongoing concerns over artificial intelligence investments.
Running story — the local press covered it again on 6 November 2026.
The story so far as of 6 November 2026
On 21 September, the KOSPI rose 1.65% to 7,007.72, buoyed by semiconductor gains. By 23 September, it climbed to 7,123.27 before dropping nearly 2% on 7 October to 6,805.90. The index fell again on 8 October to 6,625.93 and continued to decline, closing at 6,384.24 on 12 October. On 13 October, it plunged over 5% to 6,035.35. The KOSPI fell for six consecutive sessions, closing at 6,008.81 on 14 October. On 15 October, it crashed 8.13% to 5,668.05. After a rebound on 16 October, it slid nearly 4% on 20 October. The index dipped over 1% on 26 October before surging 4.42% on 27 October. It rose again on 28 October but fell sharply on 30 October, leading to trading suspensions. The KOSPI rebounded over 2% on 2 November but plunged over 5% on 5 November due to AI regulation concerns, and trading was suspended on 6 November amid a tech sell-off.
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Coverage, day by day
- Disruption
KOSPI trading suspended amid tech sell-off
Impact Investors in South Korean tech stocks face significant losses as KOSPI drops over 8%.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI plunges over 5% on AI regulation concerns
Impact Investors in South Korean stocks face losses as KOSPI drops over 5% due to AI regulation concerns.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI plunges over 3% amid AI spending concerns
Impact Investors in South Korean equities face significant losses as the KOSPI drops over 3% due to AI spending concerns.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI rebounds over 2% on bargain hunting
Impact Investors in South Korea see a recovery in stock values, particularly in technology sectors, following recent declines.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KRX activates sell-side sidecar as KOSPI plunges
Impact Investors in KOSPI-listed shares face increased market volatility following the sharp index decline.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI surges 4.54%, trading briefly halted
Impact Investors in KOSPI-listed stocks see significant gains amid strong market performance.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KRX activates sidecar as KOSPI surges 4.42%
Impact Investors in KOSPI-listed shares saw a temporary halt in program trading due to volatility.
Sources: Korea.net ↗
- Markets
Seoul shares dip over 1% ahead of earnings reports
Impact Investors in South Korean stocks face increased volatility due to upcoming earnings reports and the U.S. Fed's rate decision.
Sources: The Korea Herald ↗
- Markets
Seoul stocks slide nearly 4% on AI jitters
Impact Investors in South Korean stocks face increased volatility as major indices drop nearly 4% amid AI concerns.
Sources: The Korea Herald ↗
- Markets
KOSPI rebounds 1.76% amid AI investment concerns
Impact Investors in South Korean equities see a recovery in KOSPI, alleviating some concerns over AI investment returns.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
Seoul stocks rebound over 2% after seven-day slump
Impact Investors in South Korean stocks see a temporary relief as the KOSPI rebounds over 2%, recovering from a prolonged decline.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI crashes 8% as Samsung, SK hynix plummet
Impact Investors in South Korean stocks face significant losses as major tech shares plummet, impacting market stability.
Sources: The Korea Herald ↗
- Markets
KOSPI declines for sixth session, closes above 6,000
Impact Investors in South Korean equities face continued pressure as KOSPI declines for the sixth session, reflecting weak market sentiment.
Sources: Korea.net ↗
- Markets
KOSPI plunges over 5% amid tech sell-off
Impact Investors in South Korean equities face significant losses as KOSPI drops over 5% due to foreign selling.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI drops over 3% amid tech sell-off and inflation
Impact Investors in South Korean technology stocks face significant losses as the KOSPI drops over 3%.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
Seoul shares down for 3rd day amid inflation worries
Impact Investors in South Korean equities face increased volatility due to inflation concerns.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI drops nearly 2% as tech stocks decline
Impact Investors in South Korean stocks face increased volatility as technology shares decline and bond yields rise.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI rises on tech gains amid easing tensions
Impact Investors in South Korean tech stocks see gains as KOSPI rises on improved market sentiment.
Sources: The Korea Herald ↗, Korea.net ↗
- Markets
KOSPI rises 1.65% on semiconductor gains
Impact Investors in South Korean equities, particularly in technology, see portfolio gains as KOSPI rises.
Sources: The Korea Herald ↗, Korea.net ↗
Sources in this story
Sources: each headline links to the original article on the publisher's site.