Duolingo Inc. (DUOL) shares plummeted 12.03% in post-market trading on Monday, following the release of the language-learning platform's first-quarter 2026 financial results.

The sharp decline came despite the company reporting quarterly earnings and revenue that exceeded analyst expectations. Duolingo posted earnings of $0.89 per share, beating the FactSet consensus estimate of $0.77, while revenue reached $292.0 million, surpassing the expected $288.5 million.

Investors reacted negatively to the company's forward-looking commentary and strategic direction. Duolingo maintained its full-year revenue guidance of approximately $1.21 billion, which aligned with analyst expectations but failed to provide the upward revision many had hoped for. More significantly, the company signaled a deliberate shift in focus toward prioritizing long-term user engagement and product improvements over near-term monetization, with Chief Financial Officer Gillian Munson describing 2026 as an "investment year" with returns expected from 2027 onward. The guidance for bookings growth of about 10.5% for the year represents a moderation from previous periods, contributing to the post-market sell-off.