Taiwan Weighted (TAIEX) closes 2.0 percent lower as chips slide
Published on 10/13/2026 at 13:03 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS- Taiwan Weighted (TAIEX) closed at 48,341 points on October 13, down 961 points or 2.0 percent.
- Overnight U.S. technology losses and higher crude prices pressured Taiwan's chip stocks.
- Formosa Petrochemical rose 10.0 percent, while Alchip Technologies fell 7.7 percent.
- U.S. consumer prices are due October 14 at 8:30 p.m. Taipei time, before TSMC's October 15 earnings event.
- Foreign investors sold TWD 165.34 billion of Taiwan-listed shares on October 13.
Taiwan Weighted (TAIEX) closed at 48,341 points on October 13, down 961 points or 2.0 percent. The index traded between 48,066 and 49,126 points as technology shares tracked heavy losses in U.S. markets, Focus Taiwan reports.
Taiwan Semiconductor Manufacturing Co. fell 2.0 percent to TWD 2,490. Nanya Technology dropped 7.4 percent, while foreign investors sold TWD 165.34 billion of Taiwan-listed shares, according to Focus Taiwan.
Why is the Taiwan Weighted (TAIEX) down today?
Dealers cited an overnight selloff in U.S. technology stocks after a Houthi attack on a Saudi Arabian airport pushed crude oil prices higher. The Philadelphia Semiconductor Index fell 2.7 percent, adding pressure to Taiwan's chip-heavy benchmark, Focus Taiwan reports.
Semiconductor weakness was partly offset by rotation into petrochemical and financial shares. Formosa Plastics Group companies had reported improved earnings, while the financial sector gained 1.1 percent, according to Focus Taiwan.
Winners and losers in the Taiwan Weighted (TAIEX)
Winners and losers at the October 13 close were listed by Focus Taiwan:
- Formosa Petrochemical up 10.0 percent: improved Formosa Plastics Group earnings
- Nan Ya Plastics up 5.3 percent: improved group earnings
- Nanya Technology down 7.4 percent: semiconductor-sector weakness
- Alchip Technologies down 7.7 percent: technology selling
Foreign selling adds pressure after the 960-point drop
Turnover reached TWD 1.13 trillion, above TWD 894.52 billion on October 12. The move marked a sharp reversal below 49,000 points after the index had closed at 49,302 points on the previous session, Focus Taiwan reports.
What comes next for Taiwan Weighted (TAIEX)
- October 14, 2026, 8:30 p.m. Taipei time: U.S. consumer price data are scheduled for release, according to Stockhub.
- October 15, 2026, 2:00 p.m. Taipei time: Taiwan Semiconductor Manufacturing Co. is scheduled to hold its third-quarter earnings conference, according to Stockhub.
More market reports and analysis on the Taiwan Weighted (TAIEX)
