NEW YORK, May 24, 2024 /PRNewswire/ -- AllianceBernstein National Municipal Income Fund, Inc.[NYSE: AFB] (the "Fund") today released its monthly portfolio update as of April 30, 2024. AllianceBernstein National Municipal Income Fund, Inc.Top 10 Fixed-Income Holdings Portfolio % 1) Lamar Consolidated Independent School District Series 2023-A 5.00%, 02/15/53 2.75 % 2) City of New Orleans LA Series 2021-A 5.00%, 12/01/46 2.72 % 3) Prosper Independent School District Series 2024 4.00%, 02/15/54 2.43 % 4) Meliss ...