Core Insights - The medical beauty sector experienced a slight decline of 0.17% on October 22, with Ai Meike leading the drop [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Sector Performance - The closing prices and performance of key stocks in the medical beauty sector are as follows: - *ST Meigu: Closed at 3.69, up 4.53% with a trading volume of 293,600 shares and a transaction value of 108 million yuan [1] - Huaxi Biological: Closed at 53.70, up 0.45% with a trading volume of 20,500 shares and a transaction value of 1.1017 million yuan [1] - Jinbo Biological: Closed at 262.87, down 0.38% with a trading volume of 6,168 shares and a transaction value of 163 million yuan [1] - Ai Meike: Closed at 166.15, down 0.98% with a trading volume of 17,500 shares and a transaction value of 292 million yuan [1] Capital Flow - The medical beauty sector saw a net outflow of 20.9685 million yuan from main funds, while retail investors contributed a net inflow of 11.5985 million yuan [1] - Detailed capital flow for key stocks: - Huaxi Biological: Main funds net inflow of 10.7629 million yuan (9.81% of total), retail net outflow of 8.6171 million yuan (-7.86% of total) [2] - *ST Meigu: Main funds net inflow of 719,200 yuan (0.66% of total), retail net outflow of 2.7039 million yuan (-2.49% of total) [2] - Ai Meike: Main funds net outflow of 32.4506 million yuan (-11.11% of total), retail net inflow of 22.9195 million yuan (7.84% of total) [2]