Taiwan Semiconductor Manufacturing Co. set a new all-time record on October 5, 2026, closing at NT$2,575, up 3% for the day, lifting its market capitalization to approximately NT$66.9 trillion, or around US$2.5 trillion. The Taiwan Weighted Index TAIEX also closed at a record 49,712.04 points, gaining 2.55%. August sales surged 53% year-over-year and 2026 revenue growth is projected above 40%, reflecting sustained artificial intelligence demand. TSMC will release September sales figures on October 8 and third-quarter earnings on October 15.
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