Zheng Quan Shi Bao Wang·2025-09-03 09:00Group 1 - The fentanyl concept sector increased by 0.65%, ranking first among concept sectors, with two stocks rising, including Renfu Pharmaceutical which hit the daily limit [1] - The main funds net inflow into the fentanyl concept sector was 577 million yuan, with Renfu Pharmaceutical receiving the largest net inflow of 571 million yuan [2][3] - The net inflow ratios for leading stocks in the fentanyl concept were 18.07% for Renfu Pharmaceutical, 8.67% for Enhua Pharmaceutical, and 2.06% for Lingrui Pharmaceutical [3] Group 2 - The stocks with the largest declines in the fentanyl concept sector included Dongfang Biology, Wanfu Biology, and Botuo Biology, with declines of 1.88%, 1.54%, and 1.36% respectively [1][2] - The trading volume and turnover rates for the leading stocks in the fentanyl concept were notable, with Renfu Pharmaceutical showing a turnover rate of 9.23% [3]