医疗美容板块9月12日跌2.03%，爱美客领跌，主力资金净流出4889.28万元

Group 1 - The medical beauty sector experienced a decline of 2.03% on September 12, with Ai Meike leading the drop [1] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] - Major stocks in the medical beauty sector showed varied performance, with Jinbo Biological up 2.34% and Ai Meike down 2.29% [1] Group 2 - The net outflow of main funds in the medical beauty sector was 48.89 million yuan, while retail funds saw a net inflow of 14.71 million yuan [1] - Specific stock performances included Huaxi Biological with a net outflow of 19.84 million yuan and Ai Meike with a net outflow of 52.82 million yuan [2]