A股CPO概念股回调，剑桥科技、新易盛跌超5%

Group 1 - The CPO concept stocks in the A-share market experienced a decline, with several companies seeing significant drops in their stock prices [1] - Companies such as Huilv Ecology, Tianfu Communication, Changfei Fiber, and Shijia Photon fell over 7% [1] - Other companies like Cambridge Technology and Xinyisheng dropped more than 5%, while Huaten Technology, Huagong Technology, Changxin Bochuang, Liante Technology, and Fenghuo Communication fell over 4% [1] Group 2 - Additional companies including Guangxun Technology, Jingwang Electronics, Ruijie Network, Zhongji Xuchuang, and Taicheng Light saw declines of over 3% [1]