
- Duolingo shares have jumped this week, as the number of Americans learning Mandarin on the app has soared 216%. That's as China's RedNote is now the most downloaded free app on Apple's App Store ahead of the TikTok ban.
Duolingo shares climbed 10% this week as Americans turn to Chinese-language social media app RedNote and rush to learn Mandarin ahead of TikTok's ban slated for Sunday.