Group 1 - The medical beauty sector experienced a decline of 1.81% on September 22, with Ai Meike leading the drop [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] - Major stocks in the medical beauty sector showed varied performance, with *ST Meigu closing at 3.20, up 3.56%, and Ai Meike closing at 182.95, down 2.03% [1] Group 2 - The net outflow of main funds in the medical beauty sector was 93.56 million yuan, while retail investors saw a net inflow of 57.63 million yuan [1] - Specific stock fund flows indicated that Ai Meike had a net outflow of 78.89 million yuan, representing a decrease of 13.97% [2] - Huaxi Biological had a net outflow of 17.17 million yuan, down 8.74%, while *ST Meigu saw a net inflow of 2.50 million yuan, up 3.23% [2]