 Alliancebernstein L.P. lessened its stake in shares of Napco Security Technologies Inc NASDAQ:NSSC by 33.6 in the 4th quarter, according to its most recent 13F filing with the Securities and Exchange Commission. The fund owned 8,700 shares of the industrial products companys stock after selling 4,400 shares during the quarter. Alliancebernstein L.P.s holdings in Napco ... 