CPO概念再度活跃 富信科技涨停

Group 1 - The CPO concept has become active again, with notable stock performance in the sector [1] - Fuxin Technology reached the daily limit increase, indicating strong investor interest [1] - Saiwei Electronics and Xinyisheng both hit historical highs during the trading session [1] Group 2 - Other companies such as Shijia Photon, Guangku Technology, Changfei Optical Fiber, and Tengjing Technology also showed significant gains [1]