2023 was a remarkable year for Duolingo Inc. (DUOL, Financial). Consumers loved the app, driving its shares up by 213%. This year, however, tells a different story. The stock is trading 22% lower in 2024, which I see as a buying opportunity.There is a lot to like about the company. However, the higher-for-longer interest rate narrative has put pressure on the sector, while consumer purchasing power been squeezed. Despite these challenges, the factors that could lead to the stock price soaring again are quit ...