A-shares opened: Shanghai Composite down 0.39%, Shenzhen Composite Index down 0.01%, ChiNext Index up 0.02%.

Chengdu High‑Tech Zone firm Chengdu Zhongwei Daxin Technology Co Ltd unveiled a new-generation CSMC chip-scale molecular clock engineering prototype at the 2026 IEEE symposium on VLSI technology and circuits. The prototype reportedly delivered simultaneous improvements in long-term stability and short-term precision. The company said the advance marks a key step for domestically produced high-end on‑chip time‑frequency technology and provides new technical support for quantum technology development in Chengdu High‑Tech Zone.

South Korea's KOSPI index rose about 68% in Q2, its largest quarterly gain since Q4 1998.