Shares of Armstrong World Industries fell after the maker of building supplies logged third-quarter adjusted earnings short of Wall Street expectations and cut the upper end of its 2026 earnings projection.
Shares slid 6.3% to $154.50 in premarket trading.
The Lancaster, Pa., company, which makes ceiling materials and other construction materials, posted quarterly earnings of $91.9 million, or $2.17 a share, up from $86.3 million, or $1.98 a share, a year earlier.
Stripping out certain one-off items, Armstrong logged adjusted earnings of $2.26 a share, shy of the mean analyst estimate of $2.39 a share, as per FactSet.
Sales rose 12% to $475.8 million. Analysts were seeking $472.6 million.
For 2026, Armstrong forecast adjusted earnings per share in a range between $8.30 and $8.40, compared with a July forecast of $8.30 to $8.50, and short of the average analyst projection of $8.43. The company projected sales in a range between about $1.79 billion and $1.8 billion, more or less in line with the analyst target of $1.79 billion, as per FactSet.
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