Kospi crashes 8% as Samsung, SK hynix sink over 10%

What happened: South Korean stocks plunged Thursday in a technology-led sell-off, with Samsung Electronics and SK hynix down more than 10 percent, triggering circuit breakers on both the Kospi and Kosdaq. Key numbers: Kospi fell 8.13 percent to 5,515.76 as of 1:17 p.m. SK hynix sank 11.35 percent to 1.26 million won. Samsung Electronics plunged 10.13 percent to 208,500 won. Why it matters: Chipmakers bore the brunt of the rout, and losses spread across technology stocks. It was the first time since July 29 that both markets had activated circuit breakers on the same day.

Kospi's 8% crash with Samsung and SK hynix down over 10% signals major market turmoil.

Kospi's 8% crash with Samsung and SK hynix down over 10% signals major market turmoil. — impact context not separately stored; see What changed.