India, June 23 -- The South Korean stock market has suffered a massive sell-off today, with the benchmark KOSPI index plunging nearly 10% in its biggest one-day decline since March. The sharp fall came after investors rushed to book profits in semiconductor and AI-related stocks that had powered one of the world's strongest market rallies this year.

Heavy losses in Samsung Electronics and SK Hynix, combined with regulatory concerns over leveraged investing and a broader global technology sell-off, triggered market-wide trading halts and erased billions of dollars in market value.

South Korea Stock Market (KRX) Today (June 23): Why is the Korean Stock Market Down Today?

Several factors combined to trigger the sharp market correction. In...