Duolingo shares slide after Q1 results raise growth concerns

Shares of Duolingo Inc (NASDAQ:DUOL) fell 7.7% on Tuesday after the language-learning app reported first-quarter results that, while modestly above expectations, were overshadowed by second-quarter guidance pointing to a sharp deceleration in bookings growth. Duolingo posted first-quarter revenue of $292 million, up 27% year-over-year and ahead of the $289 million analyst estimate, while adjusted EBITDA came in at $83.4 million, reflecting a 28.6% margin.