A股午评：创业板指跌0.06% 商业航天概念反复活跃

Market Overview - The Shanghai Composite Index experienced a slight decline of 0.1%, while the Shenzhen Component Index rose by 0.23%, and the ChiNext Index fell by 0.06% during the morning session [1] - Over 2,700 stocks in the market saw declines, indicating a broad market weakness [1] Sector Performance - The commercial aerospace sector showed strong activity, with Daye Co. achieving five consecutive trading limits, and China Satellite Communications hitting a new high with two limits in three days [2] - The humanoid robot sector continued its strong performance, with Tianqi Co. achieving four consecutive limits and Wuzhou New Spring hitting two limits [2] - The digital currency sector was active, with Yuyin Co. and Cuiwei Co. both achieving two consecutive limits [2] - AI applications saw a significant rise, with Kute Intelligent reaching a 20% limit up [2] Declining Stocks - The Hainan Free Trade Zone concept stocks faced significant declines, with Hainan Development and Ronui Mountain experiencing sharp drops [3] - Several retail concept stocks weakened, with Baida Group hitting the limit down, and Dongbai Group and Maoye Commercial both dropping over 5% [3] Trading Volume - The total trading volume in the Shanghai and Shenzhen markets reached 1.29 trillion yuan, a decrease of 101.9 billion yuan compared to the previous trading day [4] - Individual stock performance included Zhongji Xuchuang leading with a trading volume of over 12.2 billion yuan, followed by Aerospace Development, Goldwind Technology, and China Satellite with high trading volumes [4]