TSMC Shares Surge as ADR Premium Hits 20-Year High Amid Global Investor Rush

TSMC, the world’s largest contract chipmaker, is back in the spotlight as its shares surge to new highs. In October 2025, its U.S.-listed ADRs (American Depositary Receipts) began trading at a premium not seen in 20 years, signaling massive foreign investor demand. This sharp rise is not just a market jump; it reflects how TSMC has become the backbone of the global tech and AI revolution.