 Alliancebernstein L.P. trimmed its position in FutureFuel Corp. NYSE:FF by 6.3 in the fourth quarter, according to its most recent filing with the SEC. The institutional investor owned 30,360 shares of the energy companys stock after selling 2,050 shares during the period. Alliancebernstein L.P. owned about 0.07 of FutureFuel worth 376,000 as of its most ... 