午后爆发！多股涨停

Market Overview - The Shanghai Composite Index experienced a narrow fluctuation, closing down 0.12% at 3635.13 points, while the Shenzhen Component Index and the ChiNext Index also declined [1] - The total trading volume in the Shanghai and Shenzhen markets was 173.66 billion yuan, a decrease of approximately 116 billion yuan from the previous day [1] Sector Performance Semiconductor, Brokerage, and Banking - The semiconductor, brokerage, and banking sectors showed weakness, contributing to the overall market decline [1] Hydropower Concept - The hydropower sector saw a resurgence, with companies like Shen Shui Gui Yuan and Shan He Zhi Neng hitting the daily limit up of 20% and 10.03% respectively [4][1] - The Yarlung Tsangpo River downstream hydropower project, with a total investment of approximately 1.2 trillion yuan, is expected to significantly boost regional economic growth and clean energy development [6] High-Speed Rail Concept - The high-speed rail sector surged, with companies like Jiao Da Tie Fa and Jin Ying Zhong Gong reaching gains of nearly 24% and 20% respectively [8][1] - The establishment of Xin Zang Railway Co., Ltd. with a registered capital of 95 billion yuan indicates ongoing investment in railway infrastructure [10][11] Commercial Aerospace Concept - The commercial aerospace sector was active, with companies like Fei Wo Ke Ji and De En Jing Gong achieving daily limit up of 20% [13][12] - Recent satellite launches and the acceleration of satellite internet deployment signal a rapid development phase for China's commercial aerospace industry [15]