Zheng Quan Shi Bao·2025-08-22 03:44Core Viewpoint - A-shares indices experienced significant gains, with the Shanghai Composite Index rising by 0.67%, the Shenzhen Component Index by 1.32%, and the ChiNext Index by 2.56%, reaching a nearly three-year high [1] Market Performance - The STAR 50 Index surged by 5.25%, indicating strong investor interest in technology and innovation sectors [1] - The overall market saw a trading volume exceeding 1.53 trillion yuan during the half-day session, reflecting robust market activity [1] Sector Highlights - The semiconductor sector, computing power concepts, and chip stocks saw substantial increases, with companies like CloudWalk Technology and Zhongke Shuguang hitting the daily limit [1] - The CPO concept gained traction, with Shengyi Technology's stock price reaching an all-time high [1] - The PCB concept became active again, with Honghe Technology also hitting the daily limit [1] - Other sectors that performed well included internet finance, fiberglass concepts, computer hardware, communication equipment, education, and brokerage [1] Underperforming Sectors - The pet economy and air transportation concepts showed weakness, contrasting with the strong performance of other sectors [1]