TSMC falls 4.02% to NT$2,390 as US chip selloff hits Taiwan market

TSMC closed down 4.02% at NT$2,390, its low for the day, on June 24, 2026, as the Taiex fell 2.24% to 46,043.6. The Philadelphia Semiconductor Index had dropped 7.87% overnight ahead of Micron's quarterly results. Foreign institutions made a net sale of NT$177.42 billion, the largest net sell in the exchange's history, and TSMC alone cost the index about 800 points.

• TSMC close NT$2,390, down 4.02%
• Taiex down 1,057.05 points (2.24%) to 46,043.6
• Philadelphia Semiconductor Index fell 7.87% in the prior US session
• Foreign net selling NT$177.42 billion, the largest on record for the exchange