The Hong Kong-listed shares of Chinese electric carmaker Nio surged as much as 14.84% Monday, extending its gains for the seventh consecutive session. NEW YORK, NY - SEPTEMBER 12: Logos for Chinese electric car company NIO are displayed at a trading post on the floor of the opening bell at the New York Stock Exchange (NYSE), September 12, 2018 in New York City. The Shanghai-based electric car company opened for trading at $6 per share. (Photo by Drew Angerer/Getty Images) The rally comes after the company u ...