Duolingo stock drops 8.5% as investors weigh CFO change and early Q4 signals
New York, Jan 13, 2026, 03:57 EST — Market closed. Duolingo (DUOL.O) shares slid 8.5% to close Monday at $161.74, setting the stage for Tuesday’s U.S. market open. The drop has investors scrambling to figure out what shifted. This wasn’t a full earnings report, more an expectations update — mixing management changes with a brief snapshot of fourth-quarter performance. Duolingo…