During trading today, both the Energy sector (XLE) and the S&P500 showed little movement.

Houston American Energy Corporation (HUSA) was one of the sector's big losers, as its price dropped 8% (-9 cents) to close at $1.03. 197,133 shares of the stock moved. The stock traded between $1.01 and $1.10.

Carrizo Oil & Gas (CRZO) was a significant gainer in the sector, rising 4.8%. The stock closed at $23.41 with 915,023 shares moving. The stock traded in a range of $22.38 to $23.65. The stock has been dropping in the last two months, down $5.35 (-18.6%) from a price of $28.76 on May 11, 2012.

Diamond Offshore Drilling (DO) rose 3.9% to close at $61.17, cross its 50-day moving average of $59.40 and 200-day moving average of $62.68. RPC (RES) declined 2.9% to close at $11.50, moving below its 50-day moving average of $10.91 and 200-day moving average of $12.76.

Hess (HES) rose 3.3% to close at $43.68, approaching its 50-day moving average of $43.81. It has also moved closer to its 200-day moving average of $53.09. Miller Energy Resources (TOO) fell 5% to close at $4.52, moving closer to its 50-day moving average of $4.47. Also, the stock moved closer to its 200-day moving average of $28.26.

Walter Energy (WLT) hit a new 52-week low today, hitting $36.50 to fall below the previous low of $37.24.