On a trading day that saw the S&P 500 gain 1.3%, the Utilities sector (XLU) showed little change.

While being down today, the ETF, as a proxy for sector performance, tracked closer to the overall market today than over the past month. Entering today's trading, XLU was down 3.5% over the last thirty trading days while the S&P 500 was down 0.9%. As a proxy for the sector, the ETF tracked closer to the overall market today than over the past month. As trading began today, XLU was over the last thirty trading days, and the S&P 500 climbed -0.9%.

Dynegy (DYN) was one of the sector's big losers, as its price dropped 5% (-2 cents) to close at 38 cents. 3.3 million shares of the stock moved. The stock traded in a range of 37 cents to 42 cents.

Niska Gas Storage Partners (NKA) was a major gainer in the sector, rising 3.4% (+33 cents) to close at $9.95 with 154,767 shares moving. The stock traded in a range of $9.56 to $10. Shares are up over the last two months, having risen 61 cents (6.5%) from a price of $9.34 on February 13, 2012.

Brookfield Infrastructure Partners L.P (BIP) rose 2.6% to close at $30.85, cross its 50-day moving average of $30.51 and 200-day moving average of $28.08.

Exterran Partners L.P (EXLP) rose 2.7% to close at $22.59, approaching its 50-day moving average of $22.93. It has also moved closer to its 200-day moving average of $22.62.