8月13日恒生指数收盘上涨2.58%，南向资金当日净流出82.77亿港元

Group 1 - The Hang Seng Index closed at 25,613.67 points, up by 643.99 points, representing a 2.58% increase [1][2] - The State-Owned Enterprises Index closed at 9,150.05 points, up by 233.2 points, with a 2.62% increase [1][2] - The Red Chip Index closed at 4,379.64 points, up by 33.44 points, showing a 0.77% increase [1][2] Group 2 - Southbound capital experienced a net outflow of 8.277 billion Hong Kong dollars on the same day [1]