Group 1 - The medical beauty sector experienced a slight increase of 0.05% on September 25, with *ST Meigu leading the gains [1] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] - The trading volume and turnover for *ST Meigu were 216,900 hands and 70.9732 million yuan, respectively, with a price increase of 3.14% [1] Group 2 - The medical beauty sector saw a net outflow of 26.412 million yuan from institutional funds, while retail investors contributed a net inflow of 10.4691 million yuan [1] - The individual stock performance showed *ST Meigu with a net inflow of 10.6411 million yuan, while Huaxi Biological and Aimeike experienced net outflows of 3.1146 million yuan and 26.2049 million yuan, respectively [2]