重回3900点！A股三大指数集体收涨

Market Overview - On the 21st, all three major A-share indices closed higher, with the Shanghai Composite Index rising by 1.36% to 3916.33 points, the Shenzhen Component Index increasing by 2.06%, and the ChiNext Index up by 3.02% [1] - The total trading volume for A-shares reached 1.89 trillion yuan, with over 4600 stocks rising across the market [1] Sector Performance - The CPO, HBM, and consumer electronics sectors saw significant gains, while the electrolyte, coal, and civil aviation sectors experienced declines [4] - The fruit supply chain concept had notable performance, with companies like Luxshare Precision hitting the daily limit, and others such as Wingtech Technology and Huanxu Electronics also reaching their limits [4] - AI hardware led the gains, with Yuanjie Technology hitting a historical high, and companies like Zhongji Xuchuang and Xinyisheng seeing increases of over 10% [4] Detailed Sector Tracking - Communication equipment rose by 4.81%, energy equipment by 4.39%, and heavy machinery by 3.15% [5] - Real estate stocks strengthened, with Guangming Real Estate and Shenzhen Zhenye A hitting the daily limit, and Yunnan Chengdu Investment rising over 5% [6] - Brokerage stocks also saw gains, with Ruida Futures and Tianfeng Securities hitting the daily limit, and Changjiang Securities increasing by over 5% [6] Declines - Coal stocks generally fell, with China Coal Energy and Yanzhou Coal Mining dropping over 2% [7] - Civil aviation stocks retreated, with China Southern Airlines and China National Aviation falling by 2% [7]