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 0.9% loss. Within that group, Diamond Offshore Drilling, Inc. (NYSE: DO) and Chesapeake Energy Corp. (NYSE: CHK) are two of the day's laggards, showing a loss of 5.8% and 4.9%, respectively. Among energy ETFs, one ETF following the sector is the Energy Select Sector SPDR ETF (AMEX: XLE), which is down 0.1% on the day, and down 3.12% year-to-date. Diamond Offshore Drill...