The Biofuels Digest Index, an index of publicly traded biofuels stocks, was flat at 59.80 despite an ethanol share rally. For the day, Solazyme blossomed, up 9,48 percent to $2.31, while Abengoa (ABGB) tumbled 8.13 percent to $14.91. Among other equities, Green Plains (GPRE) rebounded 4.31 percent to $23.24. Overall, declines led advances 19 to 11 for the day.