三大指数涨跌不一，创业板指半日跌近2%，商业航天概念集体上涨

Market Overview - The three major indices showed mixed performance, with the Shanghai Composite Index rising by 0.16% to 3876.40, while the Shenzhen Component Index fell by 0.85% to 13111.78, and the ChiNext Index dropped by 1.81% to 3118.30 [1][2] - The total trading volume in the Shanghai and Shenzhen markets reached 1.05 trillion, an increase of 212 billion compared to the previous trading day [1][7] Sector Performance - The commercial aerospace sector experienced significant gains, with stocks like Shengyang Technology and Shunhao Co. hitting the daily limit, alongside other stocks such as Tianyin Electromechanical and China Satellite [1][2] - The consumer sector showed strength, particularly in retail, with Central Plaza and Shanghai Jiubai reaching the daily limit [1][2] - The IP economy concept was active, with stocks like Guobo Co. and Sanxiang Impression also hitting the daily limit [1][2] - The AI medical sector saw fluctuations, with Huaren Health rising by 20% to hit the daily limit [1][2] - Conversely, the lithium battery sector faced declines, with stocks like Haike Xinyuan and CATL experiencing significant drops [1][3] Market Sentiment - Approximately 66.33% of users are bullish on the market [4] - A total of 3607 stocks rose, while 1673 stocks fell, indicating a generally positive market sentiment despite some sector-specific declines [5]