The Biofuels Digest Index, an index of publicly traded biofuels stocks, downshifted 1.52 percent to 62.04 as advanced biofuels plunged. For the day, Gevo (GEVO) plummeted 11.56 percent to $1.99, while Aemetis (AMTX) slid 8.84 percent to $3.30. Among other equities, Solazyme (SZYM) dumped 7.87 percent to $2.77. Overall, declines led advances by a 4 to 1 ratio for the day.
