A股午评：沪指跌0.68% AI硬件板块走强 周期性板块全线下跌

Market Overview - The three major A-share indices showed mixed results, with the Shanghai Composite Index down 0.68% at 3591.26 points, the Shenzhen Component Index down 0.45%, and the ChiNext Index up 0.43% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 115.78 billion yuan, an increase of 55.6 billion yuan compared to the previous day, with over 3400 stocks declining [1] Sector Performance - The assisted reproductive technology sector saw significant gains, with companies like Gongtong Pharmaceutical and Lide Man hitting the daily limit up [1] - The liquid cooling server concept stocks performed strongly, with Suiquan New Materials hitting the daily limit up, along with Yingweike and Chunz中科技 [1] - CPO concept stocks surged, with Huilv Ecology and Cambridge Technology hitting the daily limit up, while Zhongji Xuchuang and Xinyi Sheng reached historical highs [1] - The innovative drug sector became active again, with Aoxiang Pharmaceutical and Kangyuan Pharmaceutical hitting the daily limit up [1] - The AI intelligent agent concept saw collective strength, with Yidian Tianxia, Yongyou Network, and Nanxing Shares hitting the daily limit up, and Baidu testing the opening of intelligent agent application entry on its search homepage [1] Declining Sectors - Cyclical sectors such as steel, coal, oil and gas, and non-ferrous metals experienced declines, with Anyang Steel, Baosteel, and Antai Group dropping over 5% [1]