During trading today, the Energy sector (XLE) showed little change while the S&P 500 fell 0.9%.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past month. Entering today's trading, XLE was down 7.5% over the last thirty trading days. The S&P 500, in comparison, went up -5.8%.

Increasing 11.7% (+17 cents) to close at $1.62, GreenHunter Energy (GRH) was a major gainer in the sector. Today, 57,538 shares traded hands. The stock traded in a range of $1.41 to $1.70.

Walter Energy (WLT) was one of the sector's big losers, as its price dropped 7.8% (-$4.16) to close at $49.24. 5.1 million shares of the stock moved. The stock traded in a range of $48.88 to $53.98. The stock has been losing steam over the last month, declining $16.60 (-25.2%) from a price of $65.84 on April 19, 2012.

PHI (PHIIK) declined 3.6% to close at $23.58, moving below its 50-day moving average of $24.23 and 200-day moving average of $23.80.

InterOil Corporation (IOC) rose 2.3% to close at $55.22, approaching its 50-day moving average of $56.02. It has also moved closer to its 200-day moving average of $57.00. Plains All American Pipeline L.P (PAA) fell 1.5% to close at $77.50, moving down to 2.8% above its 200-day moving average of $75.31.