A股收评：三大指数小幅下跌，有机硅、氟化工板块逆市走高

Market Overview - The three major A-share indices experienced slight declines, with the Shanghai Composite Index down 0.25% to 3997 points, the Shenzhen Component Index down 0.36%, and the ChiNext Index down 0.51% [1] - The total market turnover was 2.02 trillion yuan, a decrease of 55.7 billion yuan compared to the previous trading day, with over 3100 stocks declining [1] Sector Performance - The polysilicon sector saw a rise as leading companies planned to form a consortium, leading to a surge in the organic silicon sector, with Dongyue Silicon Material and Hesheng Silicon Material hitting the daily limit [1] - Lithium hexafluorophosphate prices soared, causing a breakout in the fluorochemical sector, with stocks like Yongtai Technology and Mofang gaining the daily limit [1] - The phosphate chemical and fertilizer sectors remained active, with Tianji shares and others hitting the daily limit [1] - The lithium mining sector strengthened, with Shengxin Lithium Energy also hitting the daily limit [1] - Other sectors that performed well included titanium dioxide, battery, and chemical raw materials [1] - Conversely, the robotics actuator and reducer sectors declined, with Top Group leading the losses [1] - The financial and tax digitalization sector weakened, with Shenzhou Information dropping over 8% [1] - Sectors such as ChatGPT, Xinchuang, digital currency, and auto parts saw significant declines [1] Performance Rankings - The fine chemicals sector led with a gain of 3.20%, followed by chemical raw materials at 2.96%, and fertilizers and pesticides at 2.37% [2] - The shipping and forestry sectors also showed positive net capital inflows, with respective increases of 2.00% and 1.949% [2]