A-share CPO concept stocks slid; Cambridge Technology and Tongfu Microelectronics closed at the daily limit down, Ruijie Networks dropped over 10%, and JCET, Guangxun Technology, Zhongfu Circuit, Huatian Technology and Yongding Co. also fell.

2026-07-29

A-share CPO concept stocks slid; Cambridge Technology and Tongfu Microelectronics closed at the daily limit down, Ruijie Networks dropped over 10%, and JCET, Guangxun Technology, Zhongfu Circuit, Huatian Technology and Yongding Co. also fell.