IES Holdings, Inc. (NASDAQ: IESC) experienced a significant pre-market plunge of 8.34% on Friday. The sharp decline followed the release of the company's fiscal first-quarter 2026 financial results.

The company reported adjusted earnings per share of $3.71 for the quarter, which fell short of the analyst consensus estimate of $3.82. Quarterly revenue came in at $871 million, also missing the estimated $876 million. While both metrics showed year-over-year growth compared to the same period last year, the failure to meet market expectations appears to have triggered the sell-off.

In its earnings release, IES Holdings highlighted strong performance in its Communications and Infrastructure Solutions segments, driven by robust demand in data center markets. However, the company noted continued challenges in its Residential segment due to a soft housing market, which contributed to the overall revenue shortfall against estimates.