1月30日生物经济（970038）指数跌0.85%，成份股迪安诊断（300244）领跌

Group 1 - The core index of the biotechnology sector (970038) closed at 2205.04 points, down 0.85%, with a trading volume of 33.22 billion yuan and a turnover rate of 3.61% [1] - Among the constituent stocks, 10 companies experienced an increase, with Tigermed leading the gain at 6.96%, while 40 companies saw a decline, with Dian Diagnostics leading the drop at 4.63% [1] Group 2 - The net outflow of main funds from the biotechnology index constituent stocks totaled 69.18 million yuan, while the net inflow of speculative funds was 134 million yuan, and the net outflow of retail funds was 64.63 million yuan [2] - Detailed fund flow information for the constituent stocks is available in the accompanying table [2]