The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, regained 0.79 percent to 48.39 as ethanol surged. For the day, Aemetis (AMTX) rebounded 4.49 percent to $1.86, while Pacific Ethanol (PEIX) soared 5.93 percent to $3.57. Among other equities, Biox (BX.T) shed 11.48 percent to $0.54. Overall, advances led declines by a 3 to 1 ratio for the day.