By Rob Curran
Shares of Armstrong World Industries fell after the maker of building supplies said a tariff issue weighed on operating income, denting its first-quarter earnings even as sales grew.
The company's stock fell 3.5% to $171.50 premarket.
The Lancaster, Pa., maker of ceiling materials and other construction materials, posted earnings of $66.8 million, or $1.55 a share, down from $69.1 million, or $1.58 a share, a year earlier.
Stripping out certain onetime items, Armstrong logged adjusted earnings of $1.69 a share.
Sales rose 7.1% to $409.9 million.
The company cited short-term headwinds at its architectural specialties unit, including a one-off tariff impact. Operating income at the unit fell sharply despite an 11% increase in sales.
Stubbornly high U.S. mortgage rates and home values have caused the housing market to slow, in turn weighing on construction activity.
Armstrong reiterated its projections for 2026 adjusted earnings in a range between $8.15 and $8.45 a share on revenue between $1.745 billion and $1.785 billion.
Write to Rob Curran at rob.curran@dowjones.com
(END) Dow Jones Newswires
April 28, 2026 07:10 ET (11:10 GMT)
Copyright (c) 2026 Dow Jones & Company, Inc.
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