South Korean retail investors suffer heavy losses after Samsung and SK Hynix shares reverse sharply.

South Korean retail investors suffer heavy losses after Samsung and SK Hynix shares reverse sharply.

South Korea's KOSPI plummets nearly 5% amid AI-driven selloff, raising investor concerns and triggering trading curbs.

Memory chip bellwethers SK Hynix and Samsung Electronics make up just over half of the benchmark Kospi. Much of the stock markets previous rally was related to the sharp surge in…