10月10日恒生指数收盘下跌1.73%，南向资金当日净流出3.99亿港元

Market Performance - The Hang Seng Index closed down by 462.27 points, a decline of 1.73%, ending at 26290.32 points [1][2] - The State-Owned Enterprises Index fell by 171.81 points, a decrease of 1.8%, closing at 9358.32 points [1][2] - The Red Chip Index increased by 24.42 points, a rise of 0.61%, finishing at 4036.18 points [1][2] Capital Flow - There was a net outflow of southbound funds amounting to 399 million Hong Kong dollars on the same day [1]