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. The Basic Materials sector as a whole closed the day down 2.6% versus the S&P 500, which was down 0.3%. Laggards within the Basic Materials sector included Sonde Resources ( SOQ), down 4.8%, Entree Gold ( EGI), down 7.0%, Timberline Resources ( TLR), down 2.7%, Alderon Iron Ore ( AXX), down 5.8% and PostRock Energy ( PSTR), down 13.5%. TheStreet Ratings Group would like to highlight 3 stocks that pushed the sector lower today: Timberline Resources ( TLR) is one of the companies that pushed the Basic Materials sector lower today. Timberline Resources was down $0.02 (2.7%) to $0.73 on light volume. Throughout the day, 13,688 shares of Timberline Resources exchanged hands as compared to its average daily volume of 19,700 shares. The stock ranged in price between $0.65-$0.73 after having opened the day at $0.70 as compared to the previous trading day's close of $0.75. Timberline Resources has a market cap of $4.9 million and is part of the energy industry. Shares are down 64.3% year-to-date as of the close of trading on Monday. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.