With the recent sell-off of these two stocks, now's a great time to consider parking an EV name in your portfolio.Temperatures may be cooling these days, but one thing that remains hot is the S&P 500. Since the start of the year, it has soared 18% to the delight of investors.But some stocks have moved in the other direction. Take Chinese electric vehicle (EV) stocks Nio (NIO -2.22%) and Li Auto (LI 1.27%), for example. Since the start of the year, these two stocks have provided investors with little to cele ...