CPO概念板块回调，长芯博创下跌6.61%

Core Viewpoint - The CPO concept sector experienced a significant decline, dropping by 3.4% overall, indicating a bearish trend in this industry [2] Company Performance - Changxin Bochuang saw a notable decrease of 6.61% in its stock price [2] - Fangzheng Technology's stock fell by 6.1%, reflecting negative market sentiment [2] - Changfei Optical Fiber experienced a decline of 5.88%, contributing to the overall downturn in the sector [2] - Cambridge Technology, Tianfu Communication, and Shijia Photonics all reported declines exceeding 4%, further highlighting the struggles within the CPO concept sector [2]