China A-share CPO sector extended gains; Ruijie Network surged over 17% and Star-net Ruijie climbed about 8%. Multiple names, including Hongban Technology and Tongfu Microelectronics, hit daily trading limits; Guangxun Technology, Ruisikangda, Xiechu

2026-07-22

China A-share CPO sector extended gains; Ruijie Network surged over 17% and Star-net Ruijie climbed about 8%. Multiple names, including Hongban Technology and Tongfu Microelectronics, hit daily trading limits; Guangxun Technology, Ruisikangda, Xiechuang Data and Zhongfu Circuit are also advanced.