The S&P 500 lost 0.4% while the Utilities sector (XLU) showed little movement during trading today.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past month. As trading began today, XLU was up 2.5% over the last thirty trading days, and the S&P 500 climbed -4.5%.

Tri-Tech (TRIT) was one of the sector's big losers, as its price dropped 12.6% (-74 cents) to close at $5.12. 62,194 shares of the stock moved. The stock traded in a range of $4.95 to $5.78. Shares are down over the last two months as the price has dropped $2.68 (-34.4%) from a price of $7.80 on March 19, 2012.

Companhia Paranaense de Energia (ELP) was a significant gainer in the sector, rising 4%. The stock closed at $23 with 1.1 million shares moving. The stock traded in a range of $22.62 to $23.09. The stock is down over the last three months, having fallen $1.35 (-5.5%) from $24.35 on February 17, 2012.

Crestwood Midstream Partners (CMLP) declined 0.8% to close at $27.05, moving below its 50-day moving average of $26.94 and 200-day moving average of $28.28. Avista (AVA) rose 1.5% to close at $25.77, crossing its 50-day moving average of $25.70.

Centrais Eletricas Brasileiras (EBR) rose 2.6% to close at $7.95, approaching its 50-day moving average of $8.67. It has also moved closer to its 200-day moving average of $9.57. Duke Energy (DUK) fell 1.3% to close at $21.39, moving closer to its 50-day moving average of $21.21. Also, the stock moved closer to its 200-day moving average of $20.95.

Pampa Energia (PAM) hit a new 52-week low today, hitting $4.89 to fall below the previous low of $5.25.