The Biofuels Digest Index, an index of publicly traded biofuels stocks, fell 1.45 percent to 65.44 as advanced biofuels slipped. For the day, Cosan (CZZ) dropped 5.25 percent to $6.32, while Amyris (AMRS) fell 4.51 percent to $2.54. Among other equities, Aemetis (AMTX) tumbled 13.09 percent to $4.25. Overall, declines led advances by a 7 to 3 ratio for the day.
