Shenzhen Composite Index gained up to 2% intraday, Shanghai Composite rose 0.7%, ChiNext Index up 3.4%.

A-share CPO and optical-communications names rallied in the afternoon. Shenkeda hit a 20% limit-up; Changguang Huaxin, Tianfu Communication, Accelink Technology and Dongshan Precision also advanced.

Trump's push to let Ukraine indigenously produce Patriot air-defense systems and Tomahawk cruise missiles signals a shift in US support from direct fiscal aid to a tech-transfer plus supply-chain-export/outsourcing model. The change forces a re-evaluation of defense contractors' commercial logic: licensing of systems, supply of key components and long-term maintenance contracts can expand overseas revenue and convert one-off government orders into steadier global ecosystem income. It also signals US preparation for a more protracted security commitment, supporting a sustained lift in European defense spending and defense-sector investment. For markets, geopolitical risk is moving from episodic shocks toward structural industry and fiscal shifts; investors may reprice European security assets, the defense sector and energy/resource-linked defensive exposures accordingly.