The Biofuels Digest Index, an index of publicly traded biofuels stocks, jumped 1.95 percent to 70.23 as advanced biofuels surged again. For the day, Solazyme (SZYM) upticked 5.06 percent to $4.15, while Amyris (AMRS) rallied 4.84 percent to $2.60. Among other equities, Codexis (CDXS) surged 8.25 percent to $5.64. Overall, advances led declines by a 5 to 2 ratio for the day.