A股CPO概念股普跌，长芯博创跌超6%

Group 1 - The A-share market saw a widespread decline in CPO concept stocks, with notable drops in several companies [1] - Hengtong Optic-Electric fell by 7%, while Changxin Bochuang and Jieput fell over 6% [1] - Dekeli and Changfei Optical Fiber experienced declines of over 5%, and Tiantong Co., Hengdong Light, and Taicheng Light dropped over 4% [1] Group 2 - Guangku Technology, Tianfu Communication, Shijia Photon, Robot Technology, Yongding Co., and Zhongtian Technology all saw declines exceeding 3% [1]