Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 125 points (-0.8%) at 16,333 as of Tuesday, Jan. 21, 2014, 11:55 AM ET. The NYSE advances/declines ratio sits at 1,733 issues advancing vs. 1,234 declining with 157 unchanged. The Materials & Construction industry currently sits down 0.2% versus the S&P 500, which is down 0.1%. A company within the industry that increased today was Sherwin-Williams Company ( SHW), up 0.8%. On the negative front, top decliners within the industry include Lennar Corporation ( LEN), down 1.3%, Waste Management ( WM), down 0.5% and Republic Services ( RSG), down 0.5%. TheStreet would like to highlight 4 stocks pushing the industry higher today: 4. MDU Resources Group ( MDU) is one of the companies pushing the Materials & Construction industry higher today. As of noon trading, MDU Resources Group is up $0.20 (0.6%) to $30.81 on light volume. Thus far, 126,563 shares of MDU Resources Group exchanged hands as compared to its average daily volume of 496,100 shares. The stock has ranged in price between $30.55-$30.96 after having opened the day at $30.77 as compared to the previous trading day's close of $30.61. 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 $5.8 billion and is part of the utilities sector. The company has a P/E ratio of 49.4, above the S&P 500 P/E ratio of 17.7. Shares are up 0.2% year-to-date as of the close of trading on Friday. Currently there are 5 analysts who rate MDU Resources Group a buy, no analysts rate it a sell, and 3 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, largely solid financial position with reasonable debt levels by most measures, increase in net income, good cash flow from operations and solid stock price performance. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full MDU Resources Group Ratings Report now. 3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.