医疗美容板块12月18日跌0.27%，锦波生物领跌，主力资金净流入25.35万元

Group 1 - The medical beauty sector experienced a decline of 0.27% compared to the previous trading day, with Jinbo Biological leading the drop [1] - The Shanghai Composite Index closed at 3876.37, up 0.16%, while the Shenzhen Component Index closed at 13053.98, down 1.29% [1] - The net inflow of main funds into the medical beauty sector was 253,500 yuan, while retail investors saw a net outflow of 701,410 yuan [2] Group 2 - The sector saw a net inflow of 676,060 yuan from speculative funds [2] - Detailed fund flow data for individual stocks in the medical beauty sector is available in the accompanying table [2]