Dow, S&P 500, and Nasdaq surge on chip-stock rally and South Korea rebound

South Korea's Kospi index jumps more than 15 pc on a surge of chipmaking stocks

Samsung (+21.5%) and SK Hynix (+25.6%) recovered from the Kospi's −16% crash on AI bubble fears and Chinese chipmaking pressure. The rally is tactical—signaling memory supply constraints, not resolved AI valuation risk. Tech investments must track the memory cycle, not sentiment.