The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, edged up 0.32 percent to 53.71 despite an Abengoa bankruptcy protection filing plunge. For the day, Abengoa (ABGB) plummeted 49.89 percent to $2.33, while Renewable Energy Group (REGI) rebounded 5.38 percent to $8.42. Among other equities, Pacific Ethanol (PEIX) soared 6.82 percent to $4.30. Overall, advances led declines by a 2 to 1 ratio for the day.