All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 66 points (0.4%) at 14,999 as of Wednesday, July 3, 2013, 12:51 PM ET. The NYSE advances/declines ratio sits at 1,256 issues advancing vs. 1,690 declining with 89 unchanged. The Basic Materials sector currently sits down 0.1% versus the S&P 500, which is up 0.2%. Top gainers within the sector include Petroleo Brasileiro SA Petrobras ( PBR.A), up 1.5%, LyondellBasell Industries ( LYB), up 1.4%, PetroChina ( PTR), up 0.9%, Eni SpA ( E), up 0.7% and Schlumberger ( SLB), up 0.7%. A company within the sector that fell today was Ecopetrol S.A ( EC), up 0.8%. TheStreet would like to highlight 4 stocks pushing the sector higher today: 4. Yamana Gold ( AUY) is one of the companies pushing the Basic Materials sector higher today. As of noon trading, Yamana Gold is up $0.34 (3.6%) to $9.72 on average volume. Thus far, 4.2 million shares of Yamana Gold exchanged hands as compared to its average daily volume of 8.1 million shares. The stock has ranged in price between $9.46-$9.78 after having opened the day at $9.53 as compared to the previous trading day's close of $9.39. Yamana Gold Inc. engages in the exploration, development, and production of mineral properties, primarily gold. It also explores for copper, molybdenum, zinc, and silver metals. Yamana Gold has a market cap of $7.4 billion and is part of the metals & mining industry. Shares are down 45.4% year to date as of the close of trading on Tuesday. Currently there are 14 analysts that rate Yamana Gold a buy, no analysts rate it a sell, and 1 rates it a hold. TheStreet Ratings rates Yamana Gold 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, feeble growth in the company's earnings per share and weak operating cash flow. Get the full Yamana Gold 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.