The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, slid 1.24 percent to 46.82 as ethanol slumped. For the day, BioAmber (BIOA) fell 7.84 percent to $2.94, while Pacific Ethanol (PEIX) shed 6.25 percent yo $3.15. Among other equities, Global Bioenergies (ALGBE.PA) lost 4.85 percent to $20.61. Overall, declines led advances by a 3 to 1 ratio for the day.