Sanctions & trade RegionChina & Asia-Pacific Impact Major
China warns of countermeasures as US Treasury widens tech investment curbs to biotech
What happened
China's commerce ministry on Saturday opposed a US Treasury plan to widen curbs on American investment in Chinese AI, quantum, supercomputing and hypersonic...
What it means for markets
The US Treasury plan to widen tech investment curbs to biotech could pressure US-listed Chinese tech stocks and related ETFs. Any escalation in countermeasures could further disrupt supply chains for semiconductors and other sectors. The picture would change if the US Treasury announces further specific restrictions or China announces concrete countermeasures.
AssetExpectedMove since first report
Semiconductors SMH US Treasury plan to widen curbs on American investment in Chinese AI, quantum, quantum, supercomputing and hypersonic and biotech
▼ Down
-0.89% 527.20 (2026-10-23) → 522.49 (2026-10-30)
What to watch
- US Treasury final rule or further proposals
- Any Chinese countermeasures announced by China's commerce ministry
Source timeline
- investingLive Weekend - China warns of countermeasures as US Treasury widens tech investment curbs to biotech