Group 1 - The medical beauty sector increased by 3.9% on February 3, with Ai Meike leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] - Major stocks in the medical beauty sector showed varied performance, with Ai Meike closing at 147.57, up 4.56%, and Huaxi Biological at 48.81, up 3.45% [1] Group 2 - The medical beauty sector saw a net inflow of 72.0481 million yuan from main funds, while retail funds experienced a net outflow of 41.6043 million yuan [1] - Ai Meike had a net inflow of 85.9952 million yuan from main funds, but retail funds saw a net outflow of 38.6841 million yuan [2] - Huaxi Biological experienced a net outflow of 10.4367 million yuan from main funds, with a net inflow of 14.2989 million yuan from speculative funds [2]