Shares of Olin Corporation (NYSE: OLN) jumped 5.77% in after-hours trading on Thursday, following the release of its impressive first-quarter 2025 financial results that surpassed analyst expectations. The chemical manufacturer demonstrated resilience in a challenging market environment, with both revenue and earnings beating Wall Street estimates.

Olin reported Q1 revenue of $1.64 billion, surpassing the analyst consensus estimate of $1.58 billion by 4.20%. The company's earnings per share came in at $0.01, beating the expected loss of $0.10 per share. Despite the year-over-year decline from $0.40 per share in the same period last year, investors were pleased with Olin's ability to remain profitable in a tough market. The adjusted EBITDA for the quarter was $185.6 million, significantly higher than the estimated $160.1 million.

Adding to the positive sentiment, Olin provided an optimistic outlook for the second quarter of 2025. The company expects Q2 adjusted EBITDA to be in the range of $170 million to $210 million, suggesting a potential improvement in business conditions. This forward-looking guidance, combined with the better-than-expected Q1 results, likely contributed to the stock's after-hours rally as investors anticipate a potential turnaround in Olin's performance.