Taiwan stocks plunge 6.5% following TSMC’s additional $100 billion U.S. fab investment plan
Question
Taiwan stocks plunge 6.5% following TSMC’s additional $100 billion U.S. fab investment plan
Direct answer
Selloff in the Taiwan market and TSMC weighs on semiconductor indices and ADRs, with broad implications for SOXX, SMH, and global AI hardware supply‑chain valuations.
- Original publisher
- Market Ontology
- Evidence through
- 2026-07-17
- Published
- 2026-10-20
- Revision
- 1 · 2026-10-20
Cite as: Market Ontology, “Taiwan stocks plunge 6.5% following TSMC’s additional $100 billion U.S. fab investment plan”, revision 1, evidence through 2026-07-17. https://marketontology.com/market-events/2026-07-17/taiwan-stocks-plunge-6-5-following-tsmc-s-additional-100-billion-u-s-fab-investm-a3dbf8
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What happened next
| Asset | Call | Base close | +1 day | +5 days | +20 days |
|---|---|---|---|---|---|
| SMH | Downdisagreed | 556.53 2026-07-17 | +0.41% | +0.84% | +5.62% |
| SOXX | Downdisagreed | 521.81 2026-07-17 | +0.45% | +1.00% | +5.48% |
Closing prices from stored daily bars; returns measured from the last close on or before the event date. Not a recommendation.
Sources
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