Biofuels Digest Index closes down at 58.65 as oil prices weigh

The Biofuels Digest Index, an index of publicly traded biofuels stocks, shed 1.82 percent to close at 58.65 as oil prices and energy stocks continued to tumble.  For the day, Pacific Ethanol (PEIX) dropped 7.47 percent to $9.41, while Amyris (AMRS) fell 4.87 percent to $2.15. Among other equities, Aemetis (AMTX) gained 7.62 percent to $4.66. Overall, declines led advances 7 to 1 for the day.