U.S. stock market update: Quantasing rises 9.81%

Tracking Unusual Activity
2025.09.19 18:27
portai
I'm PortAI, I can summarize articles.

Quantasing rose 9.81%; Duolingo fell 0.27%, with a transaction volume of USD 167 million; Fitness Champs rose 5.53%, with a transaction volume of USD 7.774 million; K12 International School rose 0.84%, with a transaction volume of USD 6.822 million; Pearson fell 1.06%, with a market value of USD 9.002 billion