近3500只个股下跌

Market Overview - The A-share market showed mixed performance with the Shanghai Composite Index up by 0.04%, the Shenzhen Component Index up by 0.35%, and the ChiNext Index up by 0.76% at midday [2] - The total trading volume in the two markets reached 1.03 trillion yuan, a decrease of 35 billion yuan compared to the previous trading day, with nearly 3,500 stocks declining [3] Sector Performance - The robotics industry chain was notably active, with companies like Gengshen Intelligent and Yushun Robotics leading the gains [2] - The commercial aerospace and low-altitude economy sectors also saw strong performance [2] - Conversely, sectors such as superhard materials, consumer goods, and AI wearable technology experienced declines [2] Notable Stocks and Indices - The ChiNext Index expanded its gains to 1%, with over 1,900 stocks rising [4] - Specific sectors like robotic actuators, synchronous reluctance motors, and PLC concepts were among the top gainers [4] - The stock "23 Vanke 01" saw a temporary suspension after rising over 90% [5] Trading Dynamics - The market experienced fluctuations with the commercial aerospace concept stocks showing significant strength, including multiple stocks hitting the daily limit [6] - The copper sector was particularly strong, with companies like Luoyang Molybdenum and Cangge Mining reaching historical highs, driven by rising copper prices on the London Metal Exchange [6][7] - The human-shaped robot sector also saw multiple stocks opening high, with companies like Junya Technology and Longxi Co. nearing the daily limit [9] Summary of Key Indices - The Shanghai Composite Index was at 3,879.74, the Shenzhen Component Index at 12,957.80, and the ChiNext Index at 3,037.05, reflecting slight increases [11]