Duolingo Inc (NASDAQ:DUOL) stock is 19.3% at 233.24higherthismorning,afterthelanguagelearningfirmannouncedamassivefourth−quarterwin.Specifically,Duolingobeattop−andbottom−lineestimates,withanearningspershareof26centsonrevenueof151 million, and revealed stronger-than-expected first-quarter and full-year revenue outlooks.In response, Needham, Barclays, and BofA Global Research all hiked their price targets. The lattermost issued the most upbeat raise, moving up to 260from ...