Thursday Sector Leaders: Energy, Healthcare

The best performing sector as of midday Thursday is the Energy sector, up 0.7%. Within the sector, Cimarex Energy Co (NYSE: XEC) and Apache Corp. (NYSE: APA) are two large stocks leading the way, showing a gain of 5.1% and 4.4%, respectively. Among energy ETFs, one ETF following the sector is the Energy Select Sector SPDR ETF (AMEX: XLE), which is up 0.5% on the day, and up 8.82% year-to-date. Cimarex Energy Co, meanwhile, is up 24.95% year-to-date, and Apache Corp. is up 20.26% year-to-date. Co...