Pentair PLC (PNR) shares soared 5.75% in pre-market trading on Tuesday following the release of its impressive first-quarter earnings report. The water treatment company significantly outperformed analyst expectations, demonstrating resilience in a challenging economic environment.

For the first quarter of 2025, Pentair reported adjusted earnings per share of $1.11, handily beating the analyst consensus estimate of $1.01. This represents a robust 18.09% increase from the $0.94 per share reported in the same period last year. Revenue for the quarter came in at $1.01 billion, surpassing analyst projections of $988.90 million, despite a slight year-over-year decrease of 0.65%.

Adding to investor optimism, Pentair provided encouraging guidance for the second quarter and reaffirmed its full-year outlook. The company expects Q2 adjusted EPS to range between $1.31 and $1.35, with sales growth of 1% to 2%. For the full year 2025, Pentair maintained its adjusted EPS guidance of $4.65 to $4.80 and reiterated its annual sales guidance of flat to up about 2%. The strong earnings results and positive forward-looking statements have clearly resonated with investors, driving the significant pre-market stock price increase.