It’s an exciting time again for clean energy stocks. #-ad_banner-#To take a couple of examples, the Guggenheim Solar ETF (NYSE: TAN) is up 160% in the past 12 months, and the PowerShares Global Clean Energy ETF (NYSE: PBD) is up 60%. But these gains pale in comparison to a group of small alternative-energy players that have generated some of the strongest gains of any stock in the past few quarters. When I first looked at these companies back in mid-February, they had already posted sharp gains. Since then, they’ve surged yet higher. In just the past seven weeks, they… Read More
It’s an exciting time again for clean energy stocks. #-ad_banner-#To take a couple of examples, the Guggenheim Solar ETF (NYSE: TAN) is up 160% in the past 12 months, and the PowerShares Global Clean Energy ETF (NYSE: PBD) is up 60%. But these gains pale in comparison to a group of small alternative-energy players that have generated some of the strongest gains of any stock in the past few quarters. When I first looked at these companies back in mid-February, they had already posted sharp gains. Since then, they’ve surged yet higher. In just the past seven weeks, they have risen on average around 65%. At this point, a mea culpa is in order. When I looked at this group back in February, I singled out Ballard Power (Nasdaq: BLDP) and Capstone Turbine (Nasdaq: CPST) for further gains — but suggested that Fuel Cell Energy (Nasdaq: FCEL) and Plug Power (Nasdaq: PLUG) likely had more limited upside. I noted that “It’s hard to see how these firms will ever generate robust profits, especially as they have several dozen rivals (most of which are privately held) pursuing the exact same niche.” Clearly, the broader market has no such… Read More