TSM Stock Today, November 21, 2025: U.S. AI Expansion, Tariff Relief and Sector Jitters Hit Taiwan Semiconductor
TSMC shares fell 3.2% to $268.60 in U.S. trading Friday, tracking a broad chip sector pullback despite CEO C.C. Wei reaffirming a major U.S. expansion and ongoing AI demand. The stock remains up about 40% year-to-date but sits 13% below its 52-week high. TSMC’s market cap stands near $1.44 trillion. Wei said the Arizona fab is central to a $165 billion U.S. investment plan.