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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 20 points (-0.1%) at 15,298 as of Wednesday, June 19, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 2,604 issues advancing vs. 474 declining with 57 unchanged. The Basic Materials sector currently sits down 0.42 versus the S&P 500, which is down 0.17. A company within the sector that increased today was Freeport-McMoRan Copper & Gold ( FCX), up 1.16. On the negative front, top decliners within the sector include Inergy L.P ( NRGY), down 37.67, PetroChina ( PTR), down 1.99, Barrick Gold Corporation ( ABX), down 1.59, ArcelorMittal ( MT), down 1.47 and Halliburton Company ( HAL), down 1.17. TheStreet Ratings group 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 $0.44 (1.07) to $41.50 on light volume Thus far, 390,546 shares of Tenaris exchanged hands as compared to its average daily volume of 1.2 million shares. The stock has ranged in price between $41.28-$41.75 after having opened the day at $41.35 as compared to the previous trading day's close of $41.06. Tenaris S.A., through its subsidiaries, engages in the steel pipe manufacturing and distribution activities. Tenaris has a market cap of $24.2 billion and is part of the metals & mining industry. The company has a P/E ratio of 14.2, below the S&P 500 P/E ratio of 17.7. Shares are down 2.1% year to date as of the close of trading on Tuesday. Currently there are 3 analysts that rate Tenaris a buy, no analysts rate it a sell, and 8 rate it a hold. TheStreet Ratings rates Tenaris as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, revenue growth, largely solid financial position with reasonable debt levels by most measures, expanding profit margins and notable return on equity. We feel these strengths outweigh the fact that the company shows weak operating cash flow. 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.