Shares of Sezzle Inc (NASDAQ:SEZL), a buy-now-pay-later fintech company, skyrocketed 29.86% in a 24-hour period, following the release of its impressive first-quarter 2025 results and strong forward guidance. The stock's remarkable performance was driven by a combination of better-than-expected earnings, significant revenue growth, and an optimistic outlook for the fiscal year 2025.

Sezzle reported quarterly earnings of $1.00 per share, shattering the analyst consensus estimate of $0.20 by an astounding 400%. This represents a 354.55% increase from the $0.22 per share reported in the same period last year. The company's quarterly sales also exceeded expectations, coming in at $104.90 million, beating the analyst consensus estimate of $64.75 million by 62.01%. This marks a substantial 123.29% year-over-year increase from $46.98 million.

Adding fuel to the stock's surge, Sezzle provided an optimistic outlook for fiscal year 2025. The company projects total revenue growth of 60-65% and expects adjusted net income per diluted share to reach $3.25. This forward-looking guidance, coupled with the strong quarterly performance, has clearly resonated with investors, as evidenced by the significant stock price increase. The positive momentum was further underscored by a 36.49% surge in after-hours trading, indicating sustained investor enthusiasm for Sezzle's growth prospects.