午评：沪指半日微跌0.09%，煤炭、风电设备板块震荡走高

Market Overview - The three major indices collectively declined in early trading, with the Shanghai Composite Index down 0.09%, the Shenzhen Component down 0.19%, and the ChiNext Index down 0.5%, while the North Stock 50 rose by 0.59% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1,075.6 billion yuan, an increase of 19.5 billion yuan compared to the previous day [1] - Over 3,500 stocks in the market experienced declines [1] Sector Performance - The sectors showing the most significant gains included cultivated diamonds, coal mining and processing, wind power equipment, airport transportation, pharmaceutical retail, industrial metals, and the Hainan Free Trade Zone [1] - The coal sector saw a collective rise, with companies like Dayou Energy, Antai Group, and New Dazhou A hitting the daily limit [1] - The cultivated diamond sector also performed well, with Sifangda and Huifeng Diamond experiencing a 10% intraday increase [1] - The flu and pharmaceutical retail sectors remained active, with Haiwang Biological achieving six consecutive trading limits and Ruikang Pharmaceutical hitting the daily limit [1] Declining Sectors - Sectors such as gaming, film and television, and energy metals related to AI applications experienced significant declines, with Fushi Holdings dropping by 10% and Century Huatong, Xinghui Entertainment, and China Film also seeing notable decreases [1] - Energy metals, including lithium mining, faced downward pressure, with companies like Weiling Co., Shengxin Lithium Energy, and Tianqi Lithium all experiencing declines [1]