Tonglun Country's stock price soared by 32% driven by AI, driving user growth and lifting performance guidance.

On Thursday morning Eastern Time, the stock price of Duolingo soared more than 32%, as strong user growth driven by artificial intelligence prompted the company to raise its performance guidance. The company raised its full-year revenue expectations from $987-996 million to $1.01-1.02 billion. At the same time, it raised its full-year booking volume expectations from $1.15-1.16 billion to $1.15-1.16 billion. "Our booking volume and revenue performance this quarter exceeded our own high expectations, while also achieving an improvement in profitability," said co-founder and CEO Luis von Ahn in a statement.