Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 115 points (0.8%) at 14,816 as of Thursday, May 2, 2013, 12:55 PM ET. The NYSE advances/declines ratio sits at 2,190 issues advancing vs. 733 declining with 109 unchanged. The Utilities sector currently sits up 0.3% versus the S&P 500, which is up 0.8%. Top gainers within the sector include CPFL Energy ( CPL), up 1.6%, and Korea Electric Power ( KEP), up 1.4%. On the negative front, top decliners within the sector include Centrais Eletricas Brasileiras ( EBR.B), down 3.80, Exelon ( EXC), down 1.96, Calpine ( CPN), down 2.01, ONEOK ( OKE), down 1.98 and CenterPoint Energy ( CNP), down 0.99. TheStreet Ratings group would like to highlight 3 stocks pushing the sector higher today: 3. MDU Resources Group ( MDU) is one of the companies pushing the Utilities sector higher today. As of noon trading, MDU Resources Group is up $0.69 (2.74) to $25.90 on heavy volume Thus far, 686,438 shares of MDU Resources Group exchanged hands as compared to its average daily volume of 748,900 shares. The stock has ranged in price between $25.49-$25.98 after having opened the day at $25.49 as compared to the previous trading day's close of $25.21. MDU Resources Group, Inc. operates as a diversified natural resource company in the United States. The company's Electric segment generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming. MDU Resources Group has a market cap of $4.7 billion and is part of the energy industry. Shares are up 18.7% year to date as of the close of trading on Wednesday. Currently there are 3 analysts that rate MDU Resources Group a buy, no analysts rate it a sell, and 5 rate it a hold. TheStreet Ratings rates MDU Resources Group as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations, largely solid financial position with reasonable debt levels by most measures and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full MDU Resources Group Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.