Is Duolingo Stock a Buy?

The online learning company delivered outstanding customer and revenue growth in its latest quarter. Shares of online education giant Duolingo (DUOL 0.41%) delivered incredible gains to investors over the past year. Last August, the stock was at a 52-week low of $121.89. Since then, shares hit a 52-week high of $251.30 in May but have dropped along with the broader stock market's recent sell-off. Now, the share price is climbing once more thanks to a stellar second-quarter earnings report. The firm's Q2 rev ...