"We exceeded our own high expectations for bookings and revenue this quarter, and did it while expanding profitability," said co-founder and CEO Luis von Ahn in a release. Daily active users jumped 40% to nearly 48 million from about 34 million in the year-ago period. Duolingo shares skyrocketed more than 30% after the language learning platform boosted its guidance due to strong user growth driven by artificial intelligence. The mobile learning platform hiked its full-year guidance to between $1.01 billion ...