医疗美容板块9月4日跌1.3%，锦波生物领跌，主力资金净流出5863.91万元

Market Overview - The medical beauty sector experienced a decline of 1.3% on September 4, with Jinbo Biological leading the drop [1] - The Shanghai Composite Index closed at 3765.88, down 1.25%, while the Shenzhen Component Index closed at 12118.7, down 2.83% [1] Individual Stock Performance - ST Meigu closed at 3.15, with a slight increase of 0.32% and a trading volume of 95,700 shares, amounting to a transaction value of 30.34 million yuan [1] - Huaxi Biological closed at 55.35, down 0.66%, with a trading volume of 46,700 shares and a transaction value of 25.9 million yuan [1] - Aimeike closed at 184.07, down 1.83%, with a trading volume of 41,200 shares and a transaction value of 763 million yuan [1] - Jinbo Biological closed at 305.00, down 3.81%, with a trading volume of 9,732.97 shares and a transaction value of 301 million yuan [1] Capital Flow Analysis - The medical beauty sector saw a net outflow of 58.64 million yuan from institutional investors, while retail investors had a net inflow of 24.48 million yuan [1] - The overall capital flow indicates a mixed sentiment, with retail investors showing some interest despite the institutional outflow [1]