A股芯片半导体，CPO概念大涨！胜宏科技、新易盛、中际旭创、寒武纪成交额均超200亿元

Group 1 - The core point of the article highlights that several companies in the A-share market, including Shenghong Technology, Xinyisheng, Zhongji Xuchuang, and Cambricon, have all recorded transaction volumes exceeding 20 billion yuan [1] Group 2 - Shenghong Technology, Xinyisheng, Zhongji Xuchuang, and Cambricon are specifically mentioned as having significant trading activity, indicating strong investor interest [1]