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 traded up today with the Dow Jones Industrial Average ( ^DJI) trading up 25 points (0.1%) at 17,157 as of Wednesday, Sept. 17, 2014, 4:20 PM ET. The NYSE advances/declines ratio sits at 1,585 issues advancing vs. 1,500 declining with 127 unchanged. The Basic Materials sector as a whole closed the day down 0.5% versus the S&P 500, which was up 0.1%. Top gainers within the Basic Materials sector included Barnwell Industries ( BRN), up 2.4%, Atlatsa Resources ( ATL), up 3.2%, Minco Gold ( MGH), up 2.6%, China Gerui Advanced Materials Group ( CHOP), up 2.0% and Solitario Exploration & Royalty ( XPL), up 2.3%. TheStreet Ratings Group would like to highlight 3 stocks pushing the sector higher today: Solitario Exploration & Royalty ( XPL) is one of the companies that pushed the Basic Materials sector higher today. Solitario Exploration & Royalty was up $0.03 (2.3%) to $1.31 on average volume. Throughout the day, 28,057 shares of Solitario Exploration & Royalty exchanged hands as compared to its average daily volume of 28,500 shares. The stock ranged in a price between $1.22-$1.35 after having opened the day at $1.22 as compared to the previous trading day's close of $1.28. Solitario Exploration & Royalty has a market cap of $50.6 million and is part of the metals & mining industry. Shares are up 50.6% year-to-date as of the close of trading on Tuesday. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.