Market Performance - The medical beauty sector rose by 2.11% on September 11, with Ai Meike leading the gains [1] - The Shanghai Composite Index closed at 3875.31, up 1.65%, while the Shenzhen Component Index closed at 12979.89, up 3.36% [1] Individual Stock Performance - Ai Meike (300896) closed at 201.00, with a gain of 3.10% and a trading volume of 46,300 shares, amounting to a transaction value of 909 million yuan [1] - Huaxi Biological (688363) closed at 59.51, up 0.86%, with a trading volume of 47,500 shares, totaling 279 million yuan [1] - ST Meigu (000615) remained unchanged at 3.14, with a trading volume of 55,800 shares, amounting to 17.45 million yuan [1] - Jinbo Biological (832982) closed at 307.80, down 0.03%, with a trading volume of 7,759.81 shares, totaling 237 million yuan [1] Capital Flow Analysis - The medical beauty sector saw a net inflow of 35.23 million yuan from institutional investors, while retail investors experienced a net outflow of 45.10 million yuan [1] - Ai Meike had a net inflow of 35.43 million yuan from institutional investors, but a net outflow of 40.20 million yuan from retail investors [2] - Huaxi Biological experienced a net inflow of 1.46 million yuan from institutional investors, with a net outflow of 6.54 million yuan from retail investors [2] - ST Meigu had a net outflow of 1.66 million yuan from institutional investors, but a net inflow of 1.64 million yuan from retail investors [2]