Duolingo's Stock Down 38%, Plummets After OpenAI's GPT-5 Language App-Building Demo

Duolingo's stock peaked at $529.05 on May 16th. Three months later, it's down 38% - with that drop starting shortly after backlash to the CEO's promise to make it an "AI-first" company. Yet "The backlash against Duolingo going 'AI-first' didn't even matter," TechCrunch wrote August 7th, noting Duolingo's stock price surged almost 30% overnight. That surge vanished within two days - and instead of a 30% surge, Duolingo now shows a 5% drop over the last ...