TSM Stock: What to Know About Taiwan Semiconductor Before the U.S. Market Opens on Dec. 15, 2025
Taiwan Semiconductor Manufacturing Co. (NYSE: TSM)—the world’s most important contract chipmaker for leading-edge AI processors—heads into Monday’s U.S. session (Dec. 15, 2025) after a volatile finish to last week. The stock surged to fresh highs midweek on strong demand signals,