The Chinese EV maker looks like an undervalued growth stock.Nio (NIO -1.93%), a major producer of electric vehicles (EVs) in China, has been a disappointing investment over the past few years. Its stock currently trades at about $5 compared to its initial public offering (IPO) price of $6.26 per American depositary share (ADS) in September 2018 and its record closing price of $62.84 in February 2021.Nio initially impressed the bulls with its soaring deliveries, and the buying frenzy in meme stocks amplified ...