Taiwan Weighted (TAIEX) closes down 529 points after TSMC accident

Taiwan Weighted (TAIEX) closed at 46,293 points on October 20, losing 529 points or 1.1 percent. Foreign selling intensified ahead of Wednesday's futures settlement, Focus Taiwan reports.

TSMC fell 0.6 percent, while its Kaohsiung construction site was halted after four contractor workers were injured in an accident at 4:53 p.m. Taipei time, Reuters reported. Focus Taiwan said TSMC suspended operations at the affected site.

Why did Taiwan Weighted (TAIEX) fall?

The index moved above Monday's close early in the session as U.S. technology shares rebounded. Selling then spread across the market. Foreign institutions sold a net NT$79.54 billion of shares, according to Focus Taiwan.

The index traded between 46,163 points and 46,968 points. It opened at 46,713 points before ending near the session low. The Taiwan Stock Exchange recorded 720 declining stocks, 279 advancing stocks and 122 unchanged stocks, Investing.com reported.

Winners and losers in Taiwan Weighted (TAIEX)

Gainers and losers at the October 20 close according to Investing.com:

• iCatch Technology up 10.0 percent
• Foxwell Power up 10.0 percent
• Flexium Interconnect up 10.0 percent
• H2U down 9.5 percent
• Formosa Petrochemical down 8.2 percent
• Sino Horizon down 7.7 percent

What comes next for Taiwan Weighted (TAIEX)

• October 21, 2026: October futures contracts settle, a stated focus for Taiwan equities after Tuesday's foreign selling, Focus Taiwan reports.

Taiwan Weighted (TAIEX) price data for October 20, 2026

Taiwan Weighted (TAIEX) closed at 46,293 points on October 20, 2026, down 529 points or 1.1 percent from 46,822 points on October 19, Focus Taiwan reports. It opened at 46,713 points and reached a high of 46,968 points and a low of 46,163 points.

More market reports and analysis on the Taiwan Weighted (TAIEX)