The Biofuels Digest Index, an index of publicly traded biofuels stocks, edged up 0.23 percent to 64.24 despite an advanced biofuels dip. For the day, Amyris (AMRS) shed2.23 percent to $1.75, while Biox (BX.T) soared 28,42 percent to $1.22. Among other equities, Dyadic (DYAI) dumped 5.67 percent to $0.98. Overall, declines and advances were even for the day.