Duolingo shares hit their lowest price since 2023. Is the sell-off overdone?Shares of Duolingo (DUOL 8.83%) plunged 23.6% lower in January 2026, according to data from S&P Global Market Intelligence. The price drop continued a downtrend that started in 2025. The stock has backed down to prices not seen since March 2023, chiefly due to slower subscriber growth in a shaky global economy.January continued the downtrend for similar reasons. The market pressure also increased when CFO Matt Skaruppa announced his ...