收评：沪指微涨录得九连阳 商业航天、人形机器人概念持续爆发

Market Performance - The three major indices showed mixed results, with the Shanghai Composite Index slightly up, achieving a nine-day winning streak, while the ChiNext Index fell over 1% at one point [1] - The total trading volume in the Shanghai and Shenzhen markets was 2.14 trillion yuan, a decrease of 20.9 billion yuan compared to the previous trading day [1] - By the end of the trading session, the Shanghai Composite Index rose by 0.04%, the Shenzhen Component Index fell by 0.49%, and the ChiNext Index declined by 0.66% [1] Sector Performance - The robotics sector was notably active in the afternoon, with companies like Aowei New Materials and Boke Technology hitting the 20% daily limit up, reaching historical highs [1] - The commercial aerospace sector continued its strong performance, with Shenjian Co. achieving an eight-day limit up, and several other stocks like Goldwind Technology and Leike Defense also hitting their daily limits [1] - The carbon fiber sector showed significant activity, with Jilin Chemical Fiber and Heshun Technology both reaching their daily limit up [1] - On the downside, the battery, dairy, and electric power sectors experienced the largest declines, with the battery sector seeing a notable drop, particularly Huasen Lithium Battery, which fell over 7% [1] - The electric power sector continued to weaken, with Guodian Power dropping nearly 8% [1]