TSMC shares rose 3.58% on February 10, 2026. The stock reached a closing price of NT$1,880.00. This rally pushed the Taiex index above the 33,000-point threshold for the first time. The gains followed a 1.88% rise in U.S. ADRs to a record high.
Analysts attribute the surge to optimism regarding global AI infrastructure investments. Foreign investors recorded net purchases of NT$55.71 billion. The broader electronics sector advanced 2.66% during the session.
U.S.-listed TSM shares traded at $362.46, representing a 1.98% increase. The stock outperformed the NASDAQ, which declined 0.29%. Market observers noted that the gains reflect broad AI momentum rather than specific U.S. price catalysts.