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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 41 points (-0.3%) at 14,800 as of Friday, Aug. 30, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 850 issues advancing vs. 2,040 declining with 117 unchanged. The Metals & Mining industry currently sits down 0.5% versus the S&P 500, which is down 0.3%. A company within the industry that fell today was Goldcorp ( GG), up 0.8%. TheStreet would like to highlight 4 stocks pushing the industry lower today: 4. POSCO ( PKX) is one of the companies pushing the Metals & Mining industry lower today. As of noon trading, POSCO is down $0.42 (-0.6%) to $72.09 on average volume. Thus far, 81,852 shares of POSCO exchanged hands as compared to its average daily volume of 196,300 shares. The stock has ranged in price between $71.77-$72.39 after having opened the day at $72.18 as compared to the previous trading day's close of $72.51. POSCO, together with its subsidiaries, primarily manufactures and sells integrated steel products in South Korea. It operates through four segments: Steel, Trading, Construction, and Others. POSCO has a market cap of $22.3 billion and is part of the basic materials sector. Shares are down 11.7% year to date as of the close of trading on Thursday. Currently there is 1 analyst that rates POSCO a buy, no analysts rate it a sell, and none rate it a hold. TheStreet Ratings rates POSCO as a hold. Among the primary strengths of the company is its attractive valuation levels, considering its current price compared to earnings, book value and other measures. At the same time, however, we also find weaknesses including deteriorating net income, poor profit margins and disappointing return on equity. Get the full POSCO 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.