CPO、铜缆等算力硬件股持续走强，华丰科技等多股创新高

Group 1 - The core viewpoint of the article highlights the strong performance of computing hardware stocks, particularly in sectors like CPO and copper cables, with several companies reaching new highs during trading [1] Group 2 - Companies such as Yangtze Optical Fibre, Chuangyitong, Huafeng Technology, and Zhongtian Technology have achieved record highs in their stock prices [1] - Other companies including Kaiwang Technology, Fujida, Yihua Co., Far East Holdings, and Zhongfu Circuit have also seen upward movement in their stock prices [1]