The Biofuels Digest Index, an index of publicly traded biofuels stocks, dropped 1.12 percent to 66.33 as advanced biofuels weakened. For the day, Green Plains (GPRE) slumped 8.45 percent to $27.62 after a spin-out unit completed an IPO, while Dyadic (DYAI) rallied 4.76 percent to $1.10. Among other equities, Amyris (AMRS) dropped 5.66 percent to $1.75. Overall, declines led advances by a 3 to 2 ratio for the day.
