2月5日生物经济（970038）指数跌0.46%，成份股迪安诊断（300244）领跌

Core Viewpoint - The Biotech Index (970038) experienced a decline of 0.46% on February 5, closing at 2186.95 points, with a total transaction volume of 19.476 billion yuan and a turnover rate of 1.85% [1] Group 1: Index Performance - On the day, 15 constituent stocks of the Biotech Index saw an increase, with Hualan Biological leading the gain at 4.37%, while 34 stocks declined, with Dean Diagnostics leading the drop at 3.56% [1] Group 2: Capital Flow - The net outflow of main funds from the Biotech Index constituents totaled 427 million yuan, while speculative funds saw a net inflow of 330 million yuan, and retail investors had a net inflow of 9.698 million yuan [2]