US Stock Movement: SK Hynix Plunges on September 23 Due to Samsung Capacity Expansion, Intensified HBM Competition, and Profit Taking

Interpretation of SK Hynix's Sharp Drop on September 23

Keywords: Samsung production expansion, intensified HBM competition, profit-taking

1. On September 22, 2026, Samsung Electronics reportedly will expand its 4nm capacity for HBM4 base dies, and with its HBM revenue share increasing, SK Hynix will face fiercer market share competition in the next-generation HBM market.

2. On September 23, 2026, SK Hynix's share price had risen by a cumulative 7.27% over the past five trading days. In the absence of new, clear company-related positive news, short-term funds took profits, leading to a stock price correction.

(Disclaimer: This content is summarized and generated by AI technology based on publicly available information, and is for reference only. It does not constitute investment advice.)