The Biofuels Digest Index™ (BDI), a basket of public biofuels stocks, shed 0.39 percent to 63.84 as ethanol and advanced biofuels dropped. For the day, Cosan (CZZ) lost 4.20 percent to $15.50, while Solazyme (SZYM) tumbled 3.17 percent to $9.79. Among other equities, Rentech (RTK) moved up 1.61 percent to $2.52. Overall, declines led advances 6 to 5 for the day.