AFB ▼ -0.6% - AllianceBernstein National Municipal Income Fund, Inc. $AFB - AllianceBernstein National Municipal Income Fund, Inc. RELEASES MONTHLY PORTFOLIO UPDATE AllianceBernstein's municipal income fund fell 0.6% following its monthly portfolio update release. The modest decline is consistent with typical market movements for closed-end funds on disclosure days, though the specific portfolio changes that drove the move were not detailed in the announcement. 21-SEP-2026 04:06 PM ET