A-shares electronics and specialty gases stocks jumped in the afternoon session. Haohua Technology hit the daily limit; earlier Kaimet Gas had hit its limit and Yake Technology re-sealed a limit-up. Zhengfan Technology and Nanda Optoelectronics rose more than 14%, while Jinhong Gas, Huate Gas and Guanggang Gas also rallied.

A domestic computing-system software full-stack platform named 'Yisuan Ark', jointly developed by the Chinese Academy of Sciences' Computer Network Information Center and other institutions, went live on June 29. The platform targets software adaptation and code-migration bottlenecks on domestic compute, simplifies scientific research operations, and offers an integrated solution for building a scientific-computing software ecosystem. Its developers say it links algorithms, code and applications across the full chain, aiming to move domestic compute from hardware-led capability toward mature hardware–software coordination and to support an autonomous, controllable, efficient and easy-to-use domestic scientific-computing ecosystem.

The State Council Information Office will hold a press briefing on Tuesday, June 30, 2026 at 3:00 p.m.; Ministry of Transport Vice Minister Li Xinghu will outline progress on advancing high-quality water transport development in China and take questions.