电力板块7月31日跌2.09%，九洲集团领跌，主力资金净流出33.72亿元

Market Overview - The electricity sector experienced a decline of 2.09% on the trading day, with Jiuzhou Group leading the drop [1] - The Shanghai Composite Index closed at 3573.21, down 1.18%, while the Shenzhen Component Index closed at 11009.77, down 1.73% [1] Individual Stock Performance - Notable gainers included Xinzhu Co., which rose by 2.21% to a closing price of 7.39, and Hengsheng Energy, which increased by 2.05% to 15.40 [1] - Jiuzhou Group saw the largest decline, falling by 3.94% to a closing price of 7.31, followed by Jinko Technology and Huaneng International, which dropped by 3.93% and 3.81%, respectively [2] Trading Volume and Capital Flow - The electricity sector saw a net outflow of 3.372 billion yuan from institutional investors, while retail investors contributed a net inflow of 2.402 billion yuan [2] - The trading volume for major stocks included Shanghai Electric with a volume of 897,300 shares and a transaction value of 858 million yuan [1] Capital Inflow Analysis - Funi Co. had a net inflow of 35.325 million yuan from institutional investors, while Shanghai Electric experienced a net inflow of 32.380 million yuan [3] - Jiangsu Guoxin saw a net inflow of 22.589 million yuan from institutional investors, indicating strong interest in these stocks despite the overall market decline [3]