Duolingo Inc. is set to unveil major product updates at its annual Duocon conference on September 16, highlighting new video call features, an expanded Energy System, and non-language learning offerings, moves aimed at boosting user engagement amid slowing daily active user growth and intensifying AI competition. Analysts at JP Morgan, Bryan Smilek and Doug Anmuth, reiterated an Overweight rating on Duolingo shares with a $515 price forecast, signaling nearly 90% upside from Friday’s close at $271.18. The ...