Forbes.com notes that the general economic malaise is affecting share prices of several of the top ethanol companies. Aventine Renewable Energy Holdings (AVR) plummeted to its lowest share price ever on Monday, bottoming out at $1.93 before climbing slightly to close at $2.10. Pacific Ethanol (PEIX) dropped 15.6% to close at $1.08, while VeraSun (VSE) dropped 12.4% to close at $1.84.

Even agribusiness giant Archer Daniels Midland (ADM) was not immune from the slump, falling 4.7% to close at $17.65.