Thursday Sector Laggards: Energy, Materials

The worst performing sector as of midday Thursday is the Energy sector, showing a 2.1% loss. Within that group, Transocean Ltd. (NYSE: RIG) and Southwestern Energy Company (NYSE: SWN) are two of the day's laggards, showing a loss of 7.0% and 6.0%, respectively. Among energy ETFs, one ETF following the sector is the Energy Select Sector SPDR ETF (AMEX: XLE), which is down 1.5% on the day, and down 3.47% year-to-date. Transocean Ltd., meanwhile, is down 22.64% year-to-date, and Southwestern Energy...