Solar Sector On Fire as Traders Getting More Optimistic

The Guggenheim Solar ETF (NYSE: TAN ) is up more than 6.5 percent Thursday afternoon. Elsewhere in the sector: First Solar (NASDAQ: FSLR ) - up 5 percent Canadian Solar (NASDAQ: CSIQ ) - up 13 percent SolarCity (NASDAQ: SCTY ) - up 6 percent SunPower (NASDAQ: SPWR )