A股收盘｜科创50涨7.23% 寒武纪登顶A股新股王

Group 1 - Major stock indices collectively rose today, with the Shanghai Composite Index increasing by 1.14%, the Shenzhen Component Index by 2.25%, and the ChiNext Index by 3.82% [1] - The STAR Market 50 Index surged by 7.23%, indicating strong performance in the technology sector [1] - Major technology stocks experienced significant gains, with SMIC and Cambrian both rising over 15% [1] Group 2 - AI hardware sectors, including CPO, fiberglass, circuit boards, and liquid cooling, showed strong performance across the board [1] - Semiconductor and satellite internet concepts performed notably well, reflecting investor interest in these areas [1] - Traditional defensive sectors such as agriculture, coal, and electricity saw widespread declines [1]