2月27日生物经济（970038）指数跌0.57%，成份股长春高新（000661）领跌

Group 1 - The core index of the bio-economy (970038) closed at 2178.02 points, down 0.57%, with a trading volume of 790 million yuan and a turnover rate of 0.06% [1] - Among the constituent stocks, 33 companies saw an increase, with Yingke Medical leading with a rise of 5.08%, while 12 companies experienced a decline, with Changchun High-tech leading the drop at 2.77% [1] Group 2 - The bio-economy index's constituent stocks experienced a net outflow of 253 million yuan from major funds and a net outflow of 208 million yuan from speculative funds, while retail investors saw a net inflow of 461 million yuan [2] - Detailed fund flow information for the constituent stocks is available in the accompanying table [2]