US Treasury tightens rules on China tech investment, targets AI, hypersonics, biotech

The US Treasury has proposed stricter rules limiting US investment in sensitive Chinese technologies, including AI, hypersonic weapons, and biotech. This marks a further escalation in US-China tech decoupling, building on prior export controls and outbound investment restrictions. The scope and enforcement details remain uncertain, but the move signals sustained strategic competition and could prompt Chinese retaliation.

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