Market Overview - The medical beauty sector experienced a decline of 1.57% on January 28, with Jinbo Biological leading the drop [1] - The Shanghai Composite Index closed at 4151.24, up 0.27%, while the Shenzhen Component Index closed at 14342.9, up 0.09% [1] Stock Performance - Key stocks in the medical beauty sector showed the following performance: - *ST Meigu closed at 3.17, down 0.63% with a trading volume of 66,700 shares and a turnover of 21.20 million yuan [1] - Aimeike closed at 138.12, down 1.56% with a trading volume of 29,800 shares and a turnover of 413 million yuan [1] - Huaxi Biological closed at 45.64, down 1.70% with a trading volume of 28,800 shares and a turnover of 13.20 million yuan [1] - Jinbo Biological closed at 223.85, down 1.97% with a trading volume of 7,323 shares and a turnover of 165 million yuan [1] Capital Flow - The medical beauty sector saw a net outflow of 49.81 million yuan from main funds, while retail investors had a net inflow of 55.20 million yuan [1] - Detailed capital flow for key stocks includes: - *ST Meigu: Main funds net outflow of 1.98 million yuan, retail net inflow of 1.61 million yuan [2] - Huaxi Biological: Main funds net outflow of 9.06 million yuan, retail net inflow of 3.16 million yuan [2] - Jinbo Biological: Main funds net outflow of 25.03 million yuan, retail net inflow of 0.38 million yuan [2] - Aimeike: Main funds net outflow of 38.77 million yuan, retail net inflow of 50.43 million yuan [2]