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 27 points (0.2%) at 15,548 as of Wednesday, July 31, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,364 issues advancing vs. 1,544 declining with 117 unchanged. The Metals & Mining industry currently sits down 1.4% versus the S&P 500, which is up 0.3%. On the negative front, top decliners within the industry include Eldorado Gold ( EGO), down 2.9%, Franco-Nevada ( FNV), down 2.5%, Tenaris ( TS), down 1.1% and POSCO ( PKX), down 1.0%. TheStreet would like to highlight 4 stocks pushing the industry higher today: 4. Turquoise Hill Resources ( TRQ) is one of the companies pushing the Metals & Mining industry higher today. As of noon trading, Turquoise Hill Resources is up $0.12 (3.2%) to $4.06 on heavy volume. Thus far, 3.4 million shares of Turquoise Hill Resources exchanged hands as compared to its average daily volume of 2.2 million shares. The stock has ranged in price between $3.82-$4.06 after having opened the day at $3.90 as compared to the previous trading day's close of $3.93. Turquoise Hill Resources Ltd., together with its subsidiaries, operates as a mineral exploration, development, and mining company. The company's principal mineral resource property, the Oyu Tolgoi project, is a copper-gold project located in the South Gobi region of Mongolia. Turquoise Hill Resources has a market cap of $4.3 billion and is part of the basic materials sector. Shares are down 43.9% year to date as of the close of trading on Tuesday. Currently there are 3 analysts that rate Turquoise Hill Resources a buy, no analysts rate it a sell, and none rate it a hold. TheStreet Ratings rates Turquoise Hill Resources as a sell. The company's weaknesses can be seen in multiple areas, such as its disappointing return on equity, weak operating cash flow and generally disappointing historical performance in the stock itself. Get the full Turquoise Hill Resources 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.