Group 1 - The medical beauty sector experienced a decline of 0.14% on October 29, with Ai Meike leading the drop [1] - The Shanghai Composite Index closed at 4016.33, up 0.7%, while the Shenzhen Component Index closed at 13691.38, up 1.95% [1] - Key stocks in the medical beauty sector showed varied performance, with Jinbo Biological rising by 7.46% and Ai Meike falling by 1.97% [1] Group 2 - The medical beauty sector saw a net outflow of 23.498 million yuan from main funds, while retail investors had a net inflow of 39.3117 million yuan [1] - Specific stock fund flows indicated that Huaxi Biological had a main fund inflow of 8.119 million yuan, while Ai Meike experienced a significant outflow of 29.5668 million yuan [2] - The overall trend showed that retail investors were more active in the sector, with a net inflow across several stocks despite the main and speculative funds pulling back [2]