The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, lost 0.59 percent to 50.73 as large caps dropped.
For the day, Abengoa (ABGB) declined 7.79 percent to $1.42, while TerraVia (SZYM) dropped 4.33 percent to $1.99. Among other equities, Codexis (CDXS) gained 3.09 percent to $3.34.
Overall, declines led advances by a 2 to 1 ratio for the day.