WHAT THE FUTURE OF AI STOCK ? SK HYNIX SHARES CRASH TO LOWEST LEVEL SINCE APR AS SELL - OFF DEEPENS ; DOWN 31 % IN OCT 2026

What happened: SK Hynix shares fell 4.23% on October 20 to their lowest level since April, resuming a losing streak and dragging the Kospi Index down 4%. Key numbers: Down 4.23% on the day; down 31% in October; cumulative loss of 34% over eight of the last ten sessions; 59% below its summer peak; Why it matters: The sell-off deepened on rising Chinese competition, tight NAND supply, rate concerns, and doubts about AI infrastructure spending. SoftBank's credit-default swaps hit a near four-year high, and upcoming earnings from Tesla, Meta, and others are seen as key to reviving AI sentiment.

SK Hynix shares fell 4.23% on October 20 to their lowest level since April, resuming a losing streak and dragging the Kospi Index down 4%.

The sell-off deepened on rising Chinese competition, tight NAND supply, rate concerns, and doubts about AI infrastructure spending. SoftBank's credit-default swaps hit a near four-year high, and upcoming earnings from Tesla, Meta, and others are seen as key to reviving AI sentiment.