source:[1] Does Duolingo's 44% Share Price Drop Signal a Better Opportunity ... (https://simplywall.st/stocks/us/consumer-serv ...)[2] Duolingo, Inc. (DUOL) Stock Price, News, Quote & History (https://finance.yahoo.com/quote/DUOL/ ...)[3] Investors Hate DUOL Stock Now - Yahoo Finance (https://finance.yahoo.com/news/investors-hate ...)