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 up today with the Dow Jones Industrial Average ( ^DJI) trading up 127 points (0.8%) at 15,307 as of Tuesday, June 18, 2013, 12:45 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 up 0.4% versus the S&P 500, which is up 0.6%. On the negative front, top decliners within the sector include Franco-Nevada ( FNV), down 4.28, Newmont Mining Corporation ( NEM), down 3.18, Valhi ( VHI), down 4.11, Eldorado Gold ( EGO), down 3.27 and Barrick Gold Corporation ( ABX), down 2.83. Top gainers within the sector include Pioneer Natural Resources Company ( PXD), up 3.4%, Range Resources Corporation ( RRC), up 3.3%, Marathon Oil ( MRO), up 2.5%, Cabot Oil & Gas Corporation ( COG), up 2.0% and National Oilwell Varco ( NOV), up 1.8%. TheStreet Ratings group would like to highlight 5 stocks pushing the sector lower today: 5. Anglogold Ashanti ( AU) is one of the companies pushing the Basic Materials sector lower today. As of noon trading, Anglogold Ashanti is down $0.58 (-3.5%) to $15.82 on heavy volume Thus far, 3.2 million shares of Anglogold Ashanti exchanged hands as compared to its average daily volume of 3.0 million shares. The stock has ranged in price between $15.80-$16.35 after having opened the day at $16.24 as compared to the previous trading day's close of $16.40. AngloGold Ashanti Limited engages in the exploration, production, and marketing of gold. It also produces by-products, such as silver, uranium, and sulfuric acid. Anglogold Ashanti has a market cap of $6.3 billion and is part of the metals & mining industry. The company has a P/E ratio of 10.1, below the S&P 500 P/E ratio of 17.7. Shares are down 47.7% year to date as of the close of trading on Monday. Currently there is 1 analyst that rates Anglogold Ashanti a buy, 1 analyst rates it a sell, and 1 rates it a hold. TheStreet Ratings rates Anglogold Ashanti as a hold. The company's strengths can be seen in multiple areas, such as its expanding profit margins and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, weak operating cash flow and deteriorating net income. Get the full Anglogold Ashanti 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.