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 5 stocks pushing the industry lower today: 5. Southern Copper Corporation ( SCCO) is one of the companies pushing the Metals & Mining industry lower today. As of noon trading, Southern Copper Corporation is down $0.52 (-1.9%) to $26.37 on heavy volume. Thus far, 1.6 million shares of Southern Copper Corporation exchanged hands as compared to its average daily volume of 1.8 million shares. The stock has ranged in price between $26.24-$26.89 after having opened the day at $26.89 as compared to the previous trading day's close of $26.89. Southern Copper Corporation engages in mining, exploring, producing, smelting, and refining copper and other minerals in Peru, Mexico, and Chile. Southern Copper Corporation has a market cap of $23.5 billion and is part of the basic materials sector. Shares are down 29.0% year to date as of the close of trading on Tuesday. Currently there are 2 analysts that rate Southern Copper Corporation a buy, 1 analyst rates it a sell, and 6 rate it a hold. TheStreet Ratings rates Southern Copper Corporation as a buy. The company's strengths can be seen in multiple areas, such as its expanding profit margins, largely solid financial position with reasonable debt levels by most measures and notable return on equity. We feel these strengths outweigh the fact that the company has had somewhat weak growth in earnings per share. Get the full Southern Copper Corporation Ratings Report now. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.