The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, gained 0.51 percent to 48.81 as chemicals advanced. For the day, BioAmber (BIOA) jumped 7.69 percent to $3.50, while Renewable Energy Group (REGI) was up 3.11 percent to $7.29. Among other equities, Pacific Ethanol (PEIX) 3.68 percent to $3.94. Overall, advances led declines by a 5 to 4 ratio for the day.