SK Hynix shares plunge 15% in Seoul, sparking market halt after hot ADR debut
SK Hynix shares tumbled over 15% on the Seoul exchange, the sharpest one‑day drop in its history, after the company’s U.S. ADR debut sparked a rally‑to‑profit sell‑off. The plunge helped push the Kospi down 9% and triggered a trading halt, highlighting leverage risks amid geopolitical uncertainty.