The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, edged up 0.33 percent to 54.42 as chemicals rebounded. For the day, Cosan (CZZ) was up 4.29 percent to $3.40, while Aemetis (AMTX) tumbled 11.20 percent to $2.22. Among other equities, Metabolix (MBLX) soared 16.94 percent to $2.83 . Overall, advances led declines 3 to 2 for the day.
