Monday Sector Laggards: Energy, Materials

Looking at the sectors faring worst as of midday Monday, shares of Energy companies are underperforming other sectors, showing a 4.6% loss. Within the sector, Marathon Oil Corp. (NYSE: MRO) and Murphy Oil Corp (NYSE: MUR) are two large stocks that are lagging, showing a loss of 9.6% and 9.0%, respectively. Among energy ETFs, one ETF following the sector is the Energy Select Sector SPDR ETF (AMEX: XLE), which is down 3.8% on the day, and up 7.94% year-to-date. Marathon Oil Corp., meanwhile, is up...