Nio (NYSE:NIO) stock climbed a little over 2% Tuesday on news that the Chinese electric vehicle (EV) maker will show off its first mass-market car later this month.It appears Nio has Tesla (NASDAQ:TSLA) in its sights this year as it prepares to launch a new model under a new brand. Indeed, according to Nio Chief Executive William Li, the company’s newly-created sub-brand, Onvo, is intended to rival Tesla’s best-selling Model Y EV.“Nio is currently working on the launch of new car brands, that would be less ...