Ge Long Hui·2025-09-08 02:10Group 1 - The CPO concept stocks in the A-share market experienced a collective decline, with notable drops in several companies [1] - Zhongji Xuchuang (300308) fell over 11%, while Xinyi Sheng (300502) dropped more than 10% [1][2] - Other companies such as Changfei Fiber (601869) approached the limit down, and Tianfu Communication fell over 8% [1] Group 2 - The market capitalization and year-to-date performance of the affected companies are as follows: - Zhongji Xuchuang: Market cap of 401.9 billion, YTD increase of 194.03% [2] - Xinyi Sheng: Market cap of 311.9 billion, YTD increase of 281.68% [2] - Changfei Fiber: Market cap of 61.5 billion, YTD increase of 172.43% [2] - Tianfu Communication: Market cap of 132.2 billion, YTD increase of 162.05% [2] - Other companies also showed significant declines, with market caps ranging from 12.9 billion to 395 billion [2]