The Biofuels Digest Index, an index of publicly traded biofuels stocks, fell 0.93 percent to 69.61 as ethanol equities slumped. For the day, KiOR (KIOR) lost 5.10 percent to $1.49, while Solazyme (SZYM) dropped 3.93 percent to $9.54. Among other equities, Aemetis (AMTX) surged 16.67 percent to $0.28. Overall, declines led advances 4 to 1 for the day.
