History suggests that buying clean energy stocks when they’ve dropped tremendously and are out of favor with Wall Street can produce some great profits. For evidence of that assertion, consider that the solar energy ETF, Invesco Solar ETF (NYSEArca:TAN), jumped from $17.50 in April 2017 to $108.69 in January 2021. Similarly, JinkoSolar (NASDAQ:JKS), a leading China-based maker of solar panels, soared from around $8 in October 2018 to $72 in December 2020. Finally, wind-energy project developer Orsted (OTC:D ...