午评：沪指半日微涨0.06%，量子科技概念股持续爆发

Market Overview - The market experienced weak fluctuations in the early session on October 30, with the ChiNext Index dropping over 1% at one point. The total trading volume in the Shanghai and Shenzhen markets reached 1.53 trillion yuan, an increase of 107.8 billion yuan compared to the previous trading day [1] - By the end of the trading day, the Shanghai Composite Index rose by 0.06%, the Shenzhen Component Index fell by 0.02%, and the ChiNext Index decreased by 0.23% [1] Sector Performance - Quantum technology stocks collectively surged, with notable performances from ShenZhou Information and GuoDun Quantum, both hitting the daily limit up. Other stocks like FujiDa and Zhejiang Dongfang also reached their daily limit [1] - The battery sector showed strong fluctuations, with ShiDa ShengHua and TianJi Shares both hitting the daily limit [1] - The port and shipping sector was active, with stocks like China Merchants Energy and COSCO Shipping Energy reaching their daily limit [1] - The energy storage sector continued its strong performance, with TongRun Equipment achieving two consecutive limit-ups [1] - Conversely, computing hardware stocks weakened significantly, with TianFu Communication and XinYiSheng experiencing substantial declines [1] Limit-Up Statistics - The limit-up rate was recorded at 72.00%, with 42 stocks hitting the limit and 16 stocks touching the limit during the session [3] - The performance of stocks that hit the limit yesterday showed a gain of 1.95%, with an opening rate of 67% [3]