Why Duolingo's Mandarin learners tripled ahead of TikTok ban
Duolingo (DUOL) stocks are rising as the language learning company reports that US-based users learning Mandarin more than tripled year over year, with 216% growth compared to this time last year. The surge comes as the looming TikTok ban has spurred many users to migrate over to a similar Chinese app translated as "Red Note.