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. All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 44 points (0.3%) at 15,464 as of Tuesday, Aug. 13, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,183 issues advancing vs. 1,800 declining with 78 unchanged. The Basic Materials sector currently sits down 0.4% versus the S&P 500, which is up 0.2%. Top gainers within the sector include Schlumberger ( SLB), up 2.5%, Monsanto Company ( MON), up 1.6%, Halliburton Company ( HAL), up 1.4%, Dow Chemical ( DOW), up 1.4% and ConocoPhillips ( COP), up 1.4%. On the negative front, top decliners within the sector include Valspar Corporation ( VAL), down 7.3%, Southern Copper Corporation ( SCCO), down 4.0%, Barrick Gold Corporation ( ABX), down 2.9%, Newmont Mining Corporation ( NEM), down 3.0% and Continental Resources ( CLR), down 2.5%. TheStreet would like to highlight 4 stocks pushing the sector higher today: 4. Tenaris ( TS) is one of the companies pushing the Basic Materials sector higher today. As of noon trading, Tenaris is up $0.54 (1.2%) to $46.90 on light volume. Thus far, 405,669 shares of Tenaris exchanged hands as compared to its average daily volume of 1.1 million shares. The stock has ranged in price between $46.36-$46.96 after having opened the day at $46.60 as compared to the previous trading day's close of $46.36. Tenaris S.A., through its subsidiaries, engages in the steel pipe manufacturing and distribution activities. Tenaris has a market cap of $27.5 billion and is part of the industrial industry. Shares are up 11.1% year to date as of the close of trading on Monday. Currently there are 4 analysts that rate Tenaris a buy, no analysts rate it a sell, and 7 rate it a hold. TheStreet Ratings rates Tenaris 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, expanding profit margins, notable return on equity 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 Tenaris 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.