NEW YORK (TheStreet) -- Shares of BioFuel Energy Corp. (BIOF are soaring 9.08% to $7.21 on Wednesday after it disclosed that it entered into a definitive voting agreement and commitment to confirm the terms of a proposed rights offering with shareholder Greenlight Capital, according to an SEC document filed yesterday.

Greenlight Capital disclosed a 35.4% stake in Biofuel in the filing.

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