Warburg Pincus, the private equity fund with over $60 billion under management, is doubling down on Asia after it announced a $4.25 billion fund dedicated to China and Southeast Asia. The firm has been present in China for 25 years, and it has invested over $11 billion in a portfolio of over 120 startups that includes the likes of Alibaba’s Ant Financial and listed companies NIO (a Tesla rival), ZTO Express (a courier firm)among others.