After underperforming the stock market for years, alternative energy is red hot By: MarketWatch September 25, 2020 at 09:39 AM EDT Is clean tech finally a viable investment? Read More >> Related Stocks: BP Plc ADR Global Clean Energy Ishares ETF Nasdaq Green Energy Index ETF NextEra Energy SPDR S&P 500 ETF Trust Solar Invesco ETF Sunrun Inc TECHNOLOGY Tesla, Inc.