Zheng Quan Shi Bao Wang·2025-10-21 10:06Market Performance - The Shanghai Composite Index closed at 3916.33 points, up 1.36%, with a trading volume of 837.9 billion yuan [1] - The Shenzhen Component Index closed at 13077.32 points, up 2.06%, with a trading volume of 1035.96 billion yuan [1] - The ChiNext Index closed at 3083.72 points, up 3.02%, with a trading volume of 478.86 billion yuan [1] - The STAR Market 50 Index closed at 1406.32 points, up 2.81%, with a trading volume of 76.3 billion yuan [1] - The total trading volume of both markets reached 1873.856 billion yuan, an increase of 136.254 billion yuan compared to the previous trading day [1] Sector Performance - Strong performance was observed in sectors such as telecommunications, electronics, construction decoration, real estate, machinery equipment, power equipment, education, media, and environmental protection [3] - Active concepts included shale gas, cultivated diamonds, CPO, oil and gas services, engineering machinery, PCB, Apple, optical communication modules, and storage chips [3] - Only a few sectors, including coal and gas, experienced declines [3] Stock Performance - A total of 4369 stocks rose, while 710 stocks fell, with 72 stocks remaining flat and 8 stocks suspended [3] - Among the stocks that hit the daily limit, 16 had consecutive limit-up days, with Dayou Energy leading with 6 consecutive limit-ups [5] - The net inflow of main funds in the Shanghai and Shenzhen markets was 9.781 billion yuan, with the ChiNext seeing a net inflow of 7.292 billion yuan [6] Individual Stock Highlights - New Yi Sheng had the highest net inflow of main funds at 1.813 billion yuan, followed by Li Xun Precision and Zhong Ji Xu Chuang with 1.596 billion yuan and 1.089 billion yuan respectively [10][11] - Conversely, Changying Precision saw the largest net outflow of main funds at 515 million yuan, followed by Wanrun Technology and Silan Micro with 443 million yuan and 350 million yuan respectively [14][15] Institutional Activity - Institutions had a net sell of approximately 660 million yuan, with Blue Feng Biochemical being the top net buy at 43.345 million yuan [18][19] - The top net sell was Yuan Jie Technology, with a net outflow of approximately 263 million yuan [18]