A股收评：沪指跌0.33% 半导体板块午后集体走强

Market Overview - The A-share market experienced a collective decline, with the Shanghai Composite Index falling by 0.33%, the Shenzhen Component Index down by 0.22%, and the ChiNext Index decreasing by 0.23% [1] - The STAR 50 Index saw an increase of over 2% [1] - Total trading volume in the Shanghai and Shenzhen markets reached 18,155 billion yuan, a decrease of 584 billion yuan compared to the previous day [1] Sector Performance - The semiconductor sector showed significant strength in the afternoon, with stocks like Zhangjiang Hi-Tech hitting the daily limit and Cambricon Technologies rising over 12% [1] - AI application concept stocks were active throughout the day, with companies such as Sai Group, Daheng Technology, and Hanwang Technology also hitting the daily limit [1] - The hydropower concept stocks experienced a collective adjustment, with Huaxin Cement, Zhongshe Shares, and Subote hitting the daily limit down [1] - The Hainan Free Trade Zone sector weakened, with Shen Nong Seed Industry, Xinlong Holdings, and Hainan Ruize showing the largest declines [1] - Liquor stocks performed poorly, with Gujing Gongjiu, Shanxi Fenjiu, and Luzhou Laojiao all experiencing declines [1]