Chegg's stock plunge on AI threat weighs on other online-education companies, as Duolingo shares tumble 10%Market Watch • 05/02/23
Duolingo launches new subscription tier with access to AI tutor powered by GPT-4TechCrunch • 03/14/23
Duolingo, Inc. (DUOL)'s Technical Outlook is Bright After Key Golden CrossZacks Investment Research • 03/08/23