During trading today, the Utilities sector (XLU) showed little change while the S&P 500 fell 0.5%.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past month. Entering today's trading, XLU was up 2.6% over the last thirty trading days while the S&P 500 climbed 6%.

EDENOR (EDN) was a significant gainer in the sector, rising 10%. The stock closed at $2.32 with 1,100 shares moving. The stock traded in a range of $2.15 to $2.32.

Huaneng Power International (HNP) was a major loser in the sector, falling 3.6% (-$1.05) to close at $28.37 with 148,544 shares moving. The stock traded between $28.12 and $28.39. The stock has risen $5.88 (26.1%) over the last three months from a price of $22.49 on April 9, 2012.

Clean Energy Fuels (CLNE) fell 2.6% to close at $15.92, crossing its 50-day moving average of $14.46. Meanwhile, Crestwood Midstream Partners (CMLP) climbed 4% to close at $27.59, moving past its 200-day moving average of $27.49.

Atlantic Power (AT) rose 1.5% to close at $13.30, approaching its 50-day moving average of $13.44. It has also moved closer to its 200-day moving average of $13.86. Enbridge (ENB) fell 1.7% to close at $39.56, moving closer to its 50-day moving average of $39.19. Also, the stock moved closer to its 200-day moving average of $38.41.

Chesapeake Utilities Corporation (CPK) hit a new 52-week high today, reaching $45.70 to top the previous high of $45.17.