A股CPO概念股回调，新易盛跌超9%，中际旭创跌超8%

Group 1 - The CPO concept stocks in the A-share market experienced a significant pullback, with several companies seeing declines of over 10% [1] - Notable declines include Shijia Photon down 10.69%, Tianfu Communication down 10.05%, and Taicheng Light down 9.71% [2] - Other companies such as Xinyi Sheng and Zhongji Xuchuang also faced declines exceeding 8% [1][2] Group 2 - The total market capitalization of Shijia Photon is 33.8 billion, while Tianfu Communication has a market cap of 143.6 billion [2] - Year-to-date performance shows Shijia Photon with a gain of 349.85%, and Tianfu Communication with a gain of 184.56% [2] - The overall trend indicates a mixed performance among CPO stocks, with some companies still showing strong year-to-date gains despite recent declines [1][2]