The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, shed 2.19 percent to 53.05 as global equities sagged. For the day, Gevo (GEVO) lost 6.38 percent to $2.20, while Solazyme (SZYM) dumped 8.16 percent to $2.59. Among other equities, Aemetis (AMTX) was down 6.94 percent to $3.42. Overall, declines led advances 3 to 1 for the day.