The Energy sector (XLE) showed little change during trading today while the S&P 500 rose 0.1%.

Contango Oil & Gas Company (MCF) was a major loser in the sector. Its price dropped 7.9% (-$4.76) to close at $55.12, as 305,771 shares moved. The stock traded between $54.75 and $58.17. The stock has seen some negative movement recently as shares are down $4.97 (-8.3%) from a price of $60.09 on August 8, 2012.

Halcon Resources (HK) was a significant gainer in the sector, rising 7.4%. The stock closed at $8.29 with 4.4 million shares moving. The stock traded in a range of $7.71 to $8.37.

American Midstream Partners (AMID) fell 4.8% to close at $19.99, crossing its 50-day moving average of $20.62. Meanwhile, Pioneer Natural Res (PXD) climbed 1.6% to close at $98.75, moving past its 200-day moving average of $97.49.

CARBO Ceramics (CRR) rose 3.4% to close at $69.35, approaching its 50-day moving average of $72.61. It has also moved closer to its 200-day moving average of $87.11. InterOil Corporation (GPOR) fell 3.5% to close at $80.51, moving closer to its 50-day moving average of $79.41. Also, the stock moved closer to its 200-day moving average of $24.61.

SemGroup (SEMG) hit a new 52-week high today, reaching $35.34 to top the previous high of $34.99.