市场日报：三大指数收绿 两市超4000只个股下跌

Market Overview - The three major indices showed mixed performance, with the Shanghai Composite Index closing down by 0.42% at 3364.65 points, the Shenzhen Component Index down by 1.02% at 10604.01 points, and the ChiNext Index down by 1.43% at 2213.41 points [4][8][9][10]. - The total trading volume in the two markets slightly decreased but still exceeded 1.6 trillion yuan [11]. Sector Performance - Most sectors experienced declines, with coal, oil and petrochemicals, and household appliances leading the gains, while media, textiles and apparel, and beauty care sectors faced the largest declines [12][13]. - The top five performing sectors included coal (+2.19%), oil and petrochemicals (+1.01%), and household appliances (+0.74%), while the bottom five included media (-3.21%), textiles and apparel (-2.29%), and beauty care (-2.20%) [22]. Key News - A new regulation on non-bank interbank deposits was introduced, aimed at closing arbitrage loopholes and reducing banks' funding costs. This regulation took effect on December 1, 2024 [15]. - Hard technology has become a key focus for institutional strategies, with policies encouraging investment in small-cap companies with high R&D intensity [15]. - The U.S. government announced new export restrictions affecting over 140 Chinese companies, particularly in the semiconductor sector, prompting industry associations to call for caution in selecting U.S. chips [15].