A股CPO概念股拉升，剑桥科技、长飞光纤涨停

Group 1 - The CPO concept stocks in the A-share market experienced significant gains, with notable performances from various companies [1] - Robotech reached a 20% limit up, while Dekoli surged over 14% [1] - Other companies such as Zhongji Xuchuang and Juguang Technology saw increases of over 13% and 10% respectively [1] Group 2 - Cambridge Technology and Changfei Optical Fiber both hit the 10% limit up [1] - New Yisheng rose over 9%, while companies like Changxin Bochuang and Shijia Photon increased by over 8% [1] - Several other firms, including Hengtong Optical, Huimiao Technology, and Mingpu Optoelectronics, saw gains of over 6% [1]