Mainland A-share CPO sector extended losses: Cambridge Technology sealed at the daily limit-down; Dongshan Precision and Jingwang Electronics also hit limit-down. Xinyisheng, Yuanjie Technology, InnoLight Technology and Ruijie Networks fell over 10%; Tongfu Microelectronics and Tianfu Communications lagged.

2026-07-28

Mainland A-share CPO sector extended losses: Cambridge Technology sealed at the daily limit-down; Dongshan Precision and Jingwang Electronics also hit limit-down. Xinyisheng, Yuanjie Technology, InnoLight Technology and Ruijie Networks fell over 10%; Tongfu Microelectronics and Tianfu Communications lagged.