The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, slipped 0.39 percent to 48.08 as ethanol rolled back. For the day, Aemetis (AMTX) fell 5.43 percent to $1.74, while Pacific Ethanol (PEIX) shed 7.88 percent to $3.39. Among other equities, Abengoa (ABGB) dumped 8.79 percent to $0.83. Overall, advances and declines were even for the day.