A股开盘：三大指数集体低开，沪指跌0.44%

Market Overview - The Shanghai Composite Index opened down 0.44% at 4115.92 points, the Shenzhen Component Index fell 0.66% to 14188.35 points, the ChiNext Index decreased by 0.56% to 3309.43 points, and the STAR 50 Index dropped 0.72% to 1470.26 points [1] - The total trading volume in the Shanghai and Shenzhen markets was 19.977 billion yuan, with nearly 3000 stocks declining across the market [1] Sector Performance - The sectors that experienced the largest declines included energy metals, precious metals (core stocks), oil and gas, small metals, industrial metals, film (core stocks) and cinema, and communication equipment [2] - Conversely, sectors that saw gains included airport and shipping (core stocks), beverages, tourism and hotels (core stocks), liquor (core stocks), retail, and diversified finance [3] Notable Stocks - Key stocks such as Yabo Co., Ltd. opened up 2.29%, while AI application company Zhangyue Technology opened up 5.94%. However, Decai Co., Ltd. opened down 2.76% [3] - In the computing power (core stocks) leasing sector, Dwei Technology reached a bidding limit up, while YN Holdings also hit a bidding limit up [3] - Fiber optic concept stock Teifa Information opened down 2.56%, while Jinshi Technology opened up 5.31%. In the non-ferrous metals (core stocks) sector, Xianglu Tungsten Industry opened down 2.39%, and Zhangyuan Tungsten Industry opened up 3.52% [3] - Electronic cloth concept stock Honghe Technology opened up 0.08%, and Zhongcai Technology opened flat [3]