On December 27, according to Gelonghui, the A-share market's CPO Concept stocks plummeted, with Ruijie Networks falling over 11%, Raisecom Technology dropping over 7%, Cig Shanghai decreasing over 6%, Accelink Technologies declining over 5%, T&S Communications and Hengtong Optic-Electric both dropping over 4%, and Zhongfu Circuit, Shuguang Shuchuang, Guangdong Aofei Data Technology, Wenzhou Yihua Connector, and Zhongji Innolight all falling over 3%.