Why Chegg and Pearson Just Popped, but Duolingo Dropped

What happened On Tuesday, an earnings beat from educational software company Chegg (Nasdaq: CHGG) the previous evening somehow managed to spark a sell-off across the educational stocks sector, sending language learning company Duolingo (Nasdaq: DUOL) down 10%, costing Chegg rival https://www.nasdaq.com/articles/why-chegg-and-pearson-just-popped-but-duolingo-dropped