![Nio Formula E race car, EP9, ES8 and Eve concept car](https://images.hgmsites.net/tmb/nio-formula-e-race-car-ep9-es8-and-eve-concept-car_100600394_t.gif)
Chinese electric carmaker Nio has filed for an initial public offering to sell its stock in the U.S., according to a Reuters report Tuesday. The company, which has built a Formula E race car, an exotic electric sports car, and an electric SUV for China, is looking to ramp up production and build a smaller, more affordable SUV. It will trade on the...