EnergyThese 3 Energy Stocks Could Deliver Instant Gains of 420% July 5, 2018 by Stephen Mack Between the White House's stance on the Paris Climate Accord and tariffs on solar imports, some investors are backing off alternative energy stocks. That's a big mistake, and it's made several alternative energy stocks available at steep discounts. Find out what these undervalued gems are and how they can double or triple your investment in no time.