Trading of KOSPI stocks suspended amid tech sell-off
Quick Look
South Korea's KRX activated a KOSPI circuit breaker on November 6, halting trading for 20 minutes after the index plunged more than 8 percent following a Wall Street tech rout driven by concerns over U.S. midterm results slowing AI data center build-outs.
AI-generated summary
Why It Matters
The KRX activated a circuit breaker for the KOSPI for the tenth time this year as the index fell more than 8 percent amid heavy selling pressure in tech shares.
SEOUL, Nov. 6 (Yonhap) -- South Korea's bourse operator on Friday activated a circuit breaker for the benchmark Korea Composite Stock Price Index (KOSPI) on an extended sell-off in tech shares.
Trading of KOSPI-listed shares was halted for 20 minutes from 9:03, as the index plunged more than 8 percent from the previous session's close.
The benchmark index came under heavy selling pressure following a tech rout on Wall Street, triggered by concerns that Democrats' sweeping victory in the U.S. midterms could slow down the pace of the build out of artificial intelligence (AI) data centers.
It marked the tenth time this year that the KRX has activated a circuit breaker.
What to Watch
AI outlook — possibilities, not facts
KOSPI trading may resume after the 20-minute circuit breaker halt.
Very likely · Within hours
Open Questions
- Which specific tech shares drove the sell-off?
- What was the exact percentage decline of the KOSPI at the time of the halt?
- Did trading resume normally after the 20-minute halt?



![[AI Pick] SK Biopharm builds AI foundation model for new drug development](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fetc%2Finner%2FKR%2F2026%2F11%2F06%2FAKR20261106048700017_01_i_P2.jpg&w=320&q=72&f=webp)



