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

As a proxy for the sector, the ETF tracked closer to the overall market today than over the past month. Entering today's trading, XLU was down 3.6% over the last thirty trading days. The S&P 500, in comparison, went up 2.1%.

Companhia Paranaense de Energia (ELP) was a major loser in the sector. Its price dropped 4.6% (-91 cents) to close at $19.02, as 819,726 shares moved. The stock traded in a range of $18.95 to $19.65. The stock is down over the last two months, having fallen $2.25 (-10.6%) from a price of $21.27 on June 28, 2012.

Black Hills (BKH) was a significant gainer in the sector, rising 2.1%. The stock closed at $34.13 with 737,992 shares moving. The stock traded in a range of $33.40 to $34.53. Share price has been increasing, and is up $2.72 (8.7%) from a price of $31.41 on August 20, 2012.

Artesian Resources Corporation (ARTNA) rose 1.1% to close at $21.97, crossing its 50-day moving average of $21.76.

Clean Energy Fuels (CLNE) rose 1.7% to close at $13.47, approaching its 50-day moving average of $13.95. It has also moved closer to its 200-day moving average of $15.61. Brookfield Infrastructure Partners L.P (LNG) fell 1.1% to close at $35.41, moving closer to its 50-day moving average of $34.71. Also, the stock moved closer to its 200-day moving average of $14.31.