12月15日生物经济（970038）指数跌1.07%，成份股博腾股份（300363）领跌

Group 1 - The Biotech Economy Index (970038) closed at 2081.32 points, down 1.07%, with a trading volume of 13.004 billion yuan and a turnover rate of 1.18% [1] - Among the constituent stocks, 11 companies saw an increase, with Tiankang Biological leading at a 5.76% rise, while 37 companies experienced a decline, with Boteng Co. leading at a 5.07% drop [1] Group 2 - The Biotech Economy Index constituents experienced a net outflow of 500.1 million yuan from major funds, while retail investors saw a net inflow of 573 million yuan [2] - Over the past 10 days, the Biotech Economy Index has undergone adjustments, adding 9 stocks and removing 9 stocks [2]