医疗美容板块12月12日跌0.49%，华熙生物领跌，主力资金净流出1.23亿元

Group 1 - The medical beauty sector experienced a decline of 0.49% on December 12, with Huaxi Bio leading the drop [1] - The Shanghai Composite Index closed at 3889.35, up 0.41%, while the Shenzhen Component Index closed at 13258.33, up 0.84% [1] - A detailed table of individual stock performance in the medical beauty sector is provided [1] Group 2 - On the same day, the medical beauty sector saw a net outflow of 123 million yuan from major funds, while retail investors contributed a net inflow of 113 million yuan [2] - The net inflow from speculative funds was 9.98 million yuan [2] - A detailed table of fund flows for individual stocks in the medical beauty sector is included [2]