The Biofuels Digest Index, an index of publicly traded biofuels stocks, slipped 0.64 percent to 62.21 as enzymes dropped. For the day, Renewable Energy Group (REGI) declined 4.99 percent to $8.57, while Dyadic (DYAI) tumbled 3.88 percent to $0.99. Among other equities, Aemetis (AMTX) recovered 4.68 percent to $4.03. Overall, declines led advances 2 to 1 for the day.
