A股收评：冲高回落三大指数小幅收涨，沪指涨0.07%创指涨0.41%北证50跌0.64%，卫星互联网、商业航天走低，氟化工强势！超3800股下跌，成交1.92万亿放量392亿

Market Overview - The three major A-share indices experienced a rise and then a slight decline, with the Shanghai Composite Index closing up 0.07% at 3919 points, the Shenzhen Component Index up 0.27%, and the ChiNext Index up 0.41% [1] - The total market turnover reached 1.92 trillion yuan, an increase of 39.2 billion yuan compared to the previous trading day, with over 3800 stocks declining [1] Index Performance - Shanghai Composite Index: +2.61 points, +0.07% [2] - Shenzhen Component Index: +36.26 points, +0.27% [2] - ChiNext Index: +13.03 points, +0.41% [2] - Total A-shares Index: 6315.38 [2] Sector Performance - The fine chemicals sector rose by 2.25%, and the insurance sector increased by 1.23% [2] - The construction materials and oil & gas sectors also saw gains of 1.03% and 1.01%, respectively [2] Declining Sectors - The satellite internet sector faced significant declines, with companies like Huati Technology and China Satellite Communications hitting the daily limit down [3] - The commercial aerospace sector also struggled, with stocks like Shunhao Co. experiencing similar declines [3] - The tourism and hotel sector fell, with Qujiang Cultural Tourism hitting the daily limit down [3] - The education sector continued to decline, with China High-Tech hitting the daily limit down [3] - The Beidou navigation sector weakened, with Jiuzhiyang dropping over 12% [3] Notable Gainers - The fluorochemical sector saw gains, with companies like Duofluoride and Tianji Co. hitting the daily limit up [3] - The glass and fiberglass sector rose, with Honghe Technology and Jiuding New Materials also hitting the daily limit up [3] - The organic silicon sector was active, with Sanfu Co. hitting the daily limit up [3] - Battery, energy metals, and lithium mining concepts were among the top gainers [3]