 Alliancebernstein L.P. grew its position in shares of Nuveen Amt-Free Quality Municpl Incm Fnd NYSE:NEA by 3.0 during the fourth quarter, according to its most recent Form 13F filing with the Securities Exchange Commission. The institutional investor owned 36,475 shares of the companys stock after purchasing an additional 1,076 shares during the period. Alliancebernstein ... 