The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, regained 1.11 percent to 49.25 as ethanol recovered. For the day, REG gained 6.88 percent to $7.30, while Gevo (GEVO) was up 5.84 percent to $0.41. Among other equities, DuPont (DD) surged 4.56 percent to $58.76. Overall, advances led declines by a 9 to 5 ratio for the day.