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沪指半日跌0.1% 机器人概念涨幅居前

Group 1 - The A-share market experienced a slight decline in the morning session on September 16, with the Shanghai Composite Index down by 0.1%, the Shenzhen Component Index down by 0.26%, and the ChiNext Index down by 0.32% [2] - The total trading volume in the Shanghai and Shenzhen markets reached 1.48 trillion yuan during the half-day session [2] Group 2 - Sectors such as robotics, internet commerce, and unified market concepts showed the highest gains, while sectors like rare earth permanent magnets, pork, and batteries faced the largest declines [2]