The Biofuels Digest Index, an index of publicly traded biofuels stocks, slipped 0.26 percent to 70.25, despite an advanced biofuels gain. For the day, Aemetis (AMTX) plunged 25.00 percent to $0.24, while Ceres (CERE) rallied 4.14 percent to $1.51 Among other equities, OriginOil (OOIL) soared 15.79 percent to $0.22. Overall, advances led declines 4 to 3 for the day.