nLIGHT (NASDAQ: LASR) saw its stock price surge 18.66% in after-hours trading on Thursday, following the release of its second-quarter 2025 financial results that significantly exceeded analysts' expectations. The laser technology company reported strong revenue growth and a surprise profit, demonstrating resilience in a challenging market environment.

For Q2 2025, nLIGHT reported revenue of $61.735 million, beating the analyst consensus estimate of $55.2 million by 11.75%. This represents a robust 22.22% increase compared to the same period last year. The company's adjusted earnings per share came in at $0.06, surpassing the expected loss of $0.09 per share and marking a substantial improvement from the $0.10 loss per share in Q2 2024. Additionally, nLIGHT's adjusted EBITDA reached $5.55 million, significantly outperforming the estimated loss of $1.52 million.

Adding to the positive sentiment, nLIGHT provided an encouraging outlook for the third quarter of 2025. The company expects Q3 revenue to be in the range of $62 million to $67 million, with a projected gross margin between 24% and 30%. This forward-looking guidance, coupled with the strong Q2 performance, appears to have bolstered investor confidence in nLIGHT's growth trajectory and operational efficiency, driving the substantial after-hours stock price increase.