A股收评：深度回调，科创50跌逾6%创指跌逾4%，CPO概念、半导体重挫！近3000股下跌，成交2.58万亿放量1862亿

Market Overview - Major A-share indices collectively declined, with the Shanghai Composite Index falling by 1.25% to 3765 points, the Shenzhen Component Index down 2.83%, the ChiNext Index down 4.25%, and the STAR Market 50 Index down 6.08% [1][2] - The total trading volume for the day reached 2.58 trillion yuan, an increase of 186.2 billion yuan compared to the previous trading day [1] Sector Performance - The CPO concept stocks experienced significant declines, with companies like Tianfu Communication, Taicheng Light, and Xinyi Sheng dropping over 10% [4] - The semiconductor and memory chip sectors also faced substantial losses, with stocks such as Cambrian Technology, Haiguang Information, and Huahong Technology falling more than 10% [4] - The communication equipment sector declined, highlighted by Cambridge Technology hitting the daily limit down [4] - Other sectors like PCB and electronic components weakened, with companies such as Dongshan Precision and Hudian Co. also hitting the daily limit down [4] - Conversely, the commercial retail and tax refund store sectors showed resilience, with stocks like Guoguang Chain and Baida Group reaching the daily limit up [4] - Consumer stocks, particularly in dairy, prepared dishes, and food and beverage sectors, saw gains, with companies like Huanlejia and Anji Food hitting the daily limit up [4] - The banking sector experienced fluctuations but trended upwards, with Agricultural Bank reaching a new high [4] - The pet economy sector surged, with Yiyi Co. hitting the daily limit up [4] - Outdoor camping, supply cooperative concepts, and tourism hotel sectors also showed strong performance [4]