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Title: Oct 21, 2026 [NewsDomino] A Day After the Plunge, a Buy Sidecar▸ The news, in one line Korea's KOSPI fell 3.73% on October 20, closing below even its October 15 crash-day close. On October 21 it rebounded so sharply that a buy sidecar was triggered. It closed up 3.29% at 5,735.66.The first domino (what happened) On October 20 the KOSPI fell 215.27 points (3.73%) to 5,552.74, below its Oct..

Title: 2026.10.19 [NewsDomino] AI Bubble Fears Topple the KOSPI ▸ The news, in one line Doubts over whether AI spending will ever pay off, combined with a U.S. inflation shock, sent Korea's KOSPI down 7.57% on October 15 and triggered a circuit breaker.The first domino (what happened) The KOSPI closed at 5,554.22 on the 15th, its lowest level since early April and its seventh straight losing ses..