The Biofuels Digest Index, an index of publicly traded biofuels stocks, gained 0.70 percent to 63.54 as advanced biofuels recovered. For the day, Amyris (AMRS) soared 11.73 percent to $2.00, while Pacific Ethanol (PEIX) slid 2.34 percent to $9.20. Among other equities, Cosan (CZZ) lost 2.97 percent to $5,23. Overall, advances led declines by a 3 to 2 ratio for the day.