This article was originally published on ETFTrends.com.
Over the years, exchange traded funds focusing on alternative energy themes have had their shares of struggles, but the group is surging this year. The Invesco Solar ETF (NYSEARCA: TAN) is one of this year’s best-performing non-leveraged exchange traded funds. TAN, which is nearly 12 years old, follows the MAC Global Solar Energy Index. That [...]