Tech companies like Duolingo, Doordash, and Roblox are seeing stock price declines due to increased spending on AI technology. While megacaps like Google and Amazon are rewarded for future investments, smaller companies face investor skepticism. Duolingo prioritizes user growth over monetization, DoorDash invests in autonomous delivery, and Roblox focuses on safety and infrastructure. Investors are wary about profitability amid heightened spending.

Read more at CNBC: DoorDash, Duolingo show Wall Street doesn’t love AI spending equally