Friday Sector Leaders: Energy, Materials

Looking at the sectors faring best as of midday Friday, shares of Energy companies are outperforming other sectors, higher by 1.9%. Within that group, Cameron International (NYSE: CAM) and Denbury Resources (NYSE: DNR) are two of the day's stand-outs, showing a gain of 5.7% and 4.8%, respectively. Among energy ETFs, one ETF following the sector is the Energy Select Sector SPDR ETF (AMEX: XLE), which is up 1.1% on the day, and down 4.36% year-to-date. Cameron International, meanwhile, is down 10....