MCLEAN, Va. & SAN FRANCISCO--(BUSINESS WIRE)--Capital One Financial Corporation (NYSE: COF) today announced that it has entered into a definitive agreement to acquire Brex, in a combination of stock and cash transaction valued at $5.15 billion. Brex is a modern, AI-native software platform offering intelligent finance solutions that make it easy for businesses to issue corporate cards, automate expense management and make secure, real-time payments. The company also leverages AI agents to help. ...