Shares of Archer Daniels Midland Co. and VeraSun Energy Corp., the two biggest U.S. ethanol producers, soared on speculation that Democratic control of the U.S. House of Representatives will boost demand.

“A Democrat-led House is likely to amount to a political net plus for the ethanol industry,” Stanford Group Co. analyst Mark McMinimy wrote today in a report to clients. “The political climate for ethanol in the Congress will shift from an environment that was already favorable to one that is promising for ethanol-friendly legislation over the coming two years.”

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