A股收评：沪指微跌录得15连阳！全市场成交额2.82万亿元，军工、商业航天板块爆发

Market Overview - The three major A-share indices experienced fluctuations and closed lower, with the Shanghai Composite Index slightly down by 0.07% at 4082.98 points, marking a 15-day consecutive rise [1] - The Shenzhen Component Index fell by 0.51%, while the ChiNext Index decreased by 0.82% [1] - Total market turnover was 2.82 trillion yuan, a decrease of 568 billion yuan compared to the previous trading day, with over 3700 stocks rising and more than 100 stocks hitting the daily limit [1] Sector Performance - The U.S. significantly increased its military budget to 15 trillion yuan, leading to a surge in military, large aircraft, and aircraft carrier sectors, with multiple stocks such as Hailanxin and China First Heavy Industries hitting the daily limit [1] - The commercial aerospace and satellite internet sectors were actively traded, with stocks like Aerospace Electronics and Tongyu Communication also reaching the daily limit [1] - The brain-computer interface sector saw gains, with stocks like Sairui Medical hitting the daily limit [1] - Sectors related to 6G, controllable nuclear fusion, and AI pharmaceuticals showed strong performance [1] Declining Sectors - The large financial sector collectively retreated, with insurance and brokerage stocks leading the decline, including Hualin Securities hitting the daily limit down [1] - The lithium mining sector experienced a downturn, with Zhongmin Resources dropping over 7% [1] - The CPO concept weakened, with Dekeli falling nearly 7% [1] - Other sectors such as titanium dioxide, small metals, and fluorochemical industries also faced significant declines [1] Top Gainers - The top gainers included sectors such as chemical fibers, aerospace and military, and power generation equipment, with respective increases of 4.46%, 3.89%, and 2.91% [2] - Other notable sectors with gains included education, internet, and cultural transmission, with increases of 2.61%, 2.55%, and 2.32% respectively [2]