午评：创业板指半日跌超1%，算力租赁概念逆势爆发

Market Overview - The market experienced fluctuations with the Shanghai Composite Index turning negative, and the ChiNext Index dropping over 1% [1] - The total trading volume in the Shanghai and Shenzhen markets was 1.59 trillion yuan, a decrease of 53 billion yuan compared to the previous trading day [1][8] - Over 2,900 stocks in the market declined, indicating a broad-based sell-off [1] Sector Performance - The computing power leasing sector saw a collective surge, with Huasheng Tiancheng hitting the limit up for three consecutive days, and other companies like Tuo Wei Information and Li Tong Electronics also reaching the limit up [1] - The non-ferrous metals sector was active, with Zhangyuan Tungsten Industry achieving five limit ups in seven days, and Xianglu Tungsten Industry and Zhongxi Rare Metals also hitting the limit up [1] - The AI programming concept strengthened, with Jin Modern and Puyuan Information both reaching the limit up [1] - The space photovoltaic concept rebounded, with Jun Da shares hitting the limit up [1] - Conversely, the electronic cloth concept continued to adjust, with Honghe Technology hitting the daily limit down [1] Index Performance - The Shanghai Composite Index closed at 4,139.53, down 0.17% [2][5] - The Shenzhen Component Index closed at 14,405.75, down 0.68% [2][5] - The ChiNext Index closed at 329, down 1.46% [2][5] Limit Up and Down Statistics - The limit up rate was 79%, with 47 stocks hitting the limit up and 11 stocks touching the limit down [4][10] - The performance of yesterday's limit up stocks was 1.83%, with a high opening rate of 41% [4][10] Market Sentiment - 60.35% of users are bullish on the market outlook [6]