Ge Long Hui A P P·2025-11-21 03:02Group 1 - The CPO concept stocks in the A-share market experienced a significant decline, with major companies like Cambridge Technology and Kechuan Technology dropping over 8% and 7% respectively [1][2] - Other companies such as Tianfu Communication, Laimu Co., and Xinyi Sheng also saw declines exceeding 6%, indicating a widespread downturn in the sector [1][2] Group 2 - Cambridge Technology (stock code 603083) fell by 8.23%, with a total market capitalization of 35.2 billion and a year-to-date increase of 147.39% [2] - Kechuan Technology (stock code 603052) decreased by 7.42%, with a market cap of 5.5 billion and a year-to-date increase of 15.46% [2] - Tianfu Communication (stock code 300394) saw a decline of 6.88%, with a market cap of 115.9 billion and a year-to-date increase of 130.34% [2] - Laimu Co. (stock code 603633) dropped by 6.76%, with a market cap of 4.18 billion and a year-to-date increase of 20.28% [2] - Xinyi Sheng (stock code 300502) fell by 6.09%, with a market cap of 305.9 billion and a year-to-date increase of 274.32% [2] - Other notable declines include Shijia Photon (-5.86%), Jingwang Electronics (-5.58%), and Changfei Fiber (-5.51%) [2]