(Bloomberg) -- The muni market notched an unusually strong month in February — but the asset class is facing headwinds as new bond sales build.Most Read from BloombergCuts to Section 8 Housing Assistance Loom Amid HUD UncertaintyHow Upzoning in Cambridge Broke the YIMBY MoldRemembering the Landscape Architect Who Embraced the CityNYC Office Buildings See Resurgence as Investors Pile Into BondsHong Kong Joins Global Stadium Race With New $4 Billion Sports ParkThe state- and local-government debt