Duolingo soars after annual revenue forecast raise

** Shares of Duolingo DUOL.O jump 23.8% to $425 after the bell

** DUOL raises annual revenue forecast and beats Q2 revenue estimates

** Expects 2025 revenue to be in range of $1.01 billion to $1.02 billion, vs earlier projection of between $987 million and $996 million

** Reports Q2 revenue of $252.3 million, vs analysts' estimates of $240.7 million, according to data compiled by LSEG

** DUOL had risen 6% YTD