On a trading day that saw the S&P 500 gain 2%, the Utilities sector (XLU) showed little change.

Increasing 10.5% (+$2.14) to close at $22.45, Delta Natural Gas Company (DGAS) was a major gainer in the sector. Today, 5,019 shares traded hands. The stock traded in a range of $20.53 to $22.55.

Niska Gas Storage Partners (NKA) was a major loser in the sector, falling 3.1% (-39 cents) to close at $12.33 with 149,248 shares moving. The stock traded between $12.25 and $12.94. Share price is up, having risen 72 cents (5.5%) from $13.05 on July 5, 2012.

MGE Energy (MGEE) rose 2.4% to close at $48.48, crossing its 50-day moving average of $47.64.

Enersis (ENI) rose 5.3% to close at $17.35, approaching its 50-day moving average of $18.18. It has also moved closer to its 200-day moving average of $18.75.

American Water Works (AWK) hit a new 52-week high today, reaching $39.38 to top the previous high of $37.