Green energy stocks are among today's bigger winners, with fuel cell leaders Plug Power (NASDAQ: PLUG) and Bloom Energy (NYSE: BE) gaining 8.6% and 6%, respectively. Also moving higher is solar panel microinverter maker Enphase Energy (NASDAQ: ENPH), scoring a 5.1% gain as of 10:10 a.m. ET. This morning, you can't throw a rock on Wall Street without hitting one banker or another that is cutting price targets on renewable energy stocks.