股市三点钟丨沪指收跌1.18%，A股近4300股飘绿

Market Overview - A-shares opened mixed on July 31, with the three major indices showing volatility during the morning session [1] - In the afternoon, all three indices declined, with the Shanghai Composite Index falling below 3600 points [1] - By the end of the trading day, the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index closed down by 1.18%, 1.73%, and 1.66%, respectively, at 3573.21 points, 11009.77 points, and 2328.31 points [1] Sector Performance - Sectors such as liquid cooling, assisted reproduction, and hepatitis concepts saw the largest gains [1] - Conversely, sectors including low-carbon metallurgy, energy metals, and the steel industry experienced the most significant declines [1] Stock Performance - A total of 1061 A-shares rose, with 49 stocks hitting the daily limit up [1] - In contrast, 4287 A-shares fell, with 6 stocks hitting the daily limit down [1] Trading Volume - The trading volume in the Shanghai market reached 845.89 billion yuan, while the Shenzhen market saw a trading volume of 1.09 trillion yuan, totaling 1.94 trillion yuan across both markets [1]