Market Performance - The medical beauty sector increased by 3.29% on August 20, with Ai Meike leading the gains [1] - The Shanghai Composite Index closed at 3766.21, up 1.04%, while the Shenzhen Component Index closed at 11926.74, up 0.89% [1] Individual Stock Performance - Ai Meike (300896) closed at 188.50, with a rise of 3.96% and a trading volume of 66,000 shares [1] - Huaxi Biological (688363) closed at 55.17, increasing by 2.53% with a trading volume of 63,500 shares [1] - ST Meigu (000615) closed at 3.29, up 0.92% with a trading volume of 88,100 shares [1] - Jinbo Biological (832982) closed at 312.89, down 0.66% with a trading volume of 8,461 shares [1] Capital Flow Analysis - The medical beauty sector saw a net inflow of 76.10 million yuan from main funds, while retail investors experienced a net outflow of 95.65 million yuan [1] - Huaxi Biological had a main fund net inflow of 48.03 million yuan, but a retail net outflow of 33.25 million yuan [2] - Ai Meike experienced a main fund net inflow of 24.71 million yuan, with a significant retail net outflow of 61.19 million yuan [2] - ST Meigu had a main fund net inflow of 3.36 million yuan, but also faced a retail net outflow of 1.22 million yuan [2]