Strong August vehicles deliveries wasn't the only reason investors chose to hitch a ride with this EV maker last month.After driving more than 30% higher in August, Chinese electric vehicle (EV) maker Nio (NIO -2.41%) continued powering higher last month. Investors found good news bookmarking September, with the company reporting strong quarterly earnings early in the month, through the end of the month, when Nio posted encouraging September sales.According to data provided by S&P Global Market Intelligence ...