收评：沪指跌0.22%，4000点得而复失，券商等板块走低

Market Overview - The stock indices experienced a pullback after an initial rise, with the Shanghai Composite Index falling below 4000 points, closing down 0.22% at 3988.22 points, the Shenzhen Component down 0.44% at 13430.1 points, and the ChiNext Index down 0.15% at 3229.58 points [1] - The total trading volume in the Shanghai and Shenzhen markets reached 21,656 billion yuan [1] Sector Performance - Sectors such as non-ferrous metals, brokerage, steel, gas, and electricity saw declines, while military, automotive, pharmaceuticals, and semiconductors experienced gains [1] - Active concepts included military trade, storage chips, and solid-state batteries [1] Market Outlook - HuLong Securities indicated that the market is likely to continue being driven by positive factors, including progress in China-US economic negotiations and a potential rebound in risk appetite following adjustments in growth sectors [1] - Key areas for industry and thematic allocation include: - Growth sectors like technology and advanced manufacturing, benefiting from positive fundamental data and policy catalysts, with a focus on AI+, self-controllable technologies, humanoid robots, low-altitude economy, and national defense [1] - Sectors benefiting from the "anti-involution" policy, with positive feedback from data, including power equipment and basic chemicals [1] - Industries benefiting from domestic demand policies, such as machinery, home appliances, automobiles, consumer electronics, and service consumption [1]