While the S&P 500 grew 0.2%, the Utilities sector (XLU) showed little movement during trading today.

Although it went in the opposite direction of the market today, the ETF tracked closer to the overall market today than over the past month. Entering today's trading, XLU was up 2.4% over the last thirty trading days while the S&P 500 was down 3.4%.

Increasing 7.5% (+86 cents) to close at $12.29, Niska Gas Storage Partners (NKA) was a major gainer in the sector. Today, 556,382 shares traded hands. The stock traded in a range of $11.50 to $12.65. Shares are up over the last two months, having risen $2.98 (32%) from a price of $9.31 on March 23, 2012.

Centrais Eletricas Brasileiras (EBR) was a major loser in the sector, falling 3.6% (-24 cents) to close at $6.51 with 1.9 million shares moving. The stock traded in a range of $6.48 to $6.71.

Atlas Energy (ATLS) rose 4.3% to close at $36.35, cross its 50-day moving average of $36.13 and 200-day moving average of $29.23.

Energy Transfer Equity L.P (ETE) rose 1.9% to close at $37.76, approaching its 50-day moving average of $39.90. It has also moved closer to its 200-day moving average of $40.25. American States Water (AWR) fell 0.5% to close at $36.50, moving closer to its 50-day moving average of $36.31. Also, the stock moved closer to its 200-day moving average of $35.91.