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. All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 59 points (0.3%) at 18,083 as of Monday, May 4, 2015, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,918 issues advancing vs. 1,077 declining with 158 unchanged. The Basic Materials sector currently sits down 0.2% versus the S&P 500, which is up 0.4%. Top gainers within the sector include Encana ( ECA), up 1.9%, POSCO ( PKX), up 1.8%, Barrick Gold ( ABX), up 1.5%, Magellan Midstream Partners L.P ( MMP), up 1.0% and Petroleo Brasileiro SA Petrobras ( PBR.A), up 0.9%. On the negative front, top decliners within the sector include Westlake Chemical ( WLK), down 4.7%, Pioneer Natural Resources ( PXD), down 3.5%, Hess ( HES), down 1.9%, YPF Sociedad Anonima ( YPF), down 1.9% and Valero Energy ( VLO), down 1.8%. TheStreet would like to highlight 3 stocks pushing the sector higher today: 3. Braskem ( BAK) is one of the companies pushing the Basic Materials sector higher today. As of noon trading, Braskem is up $0.63 (7.6%) to $8.94 on heavy volume. Thus far, 603,935 shares of Braskem exchanged hands as compared to its average daily volume of 709,900 shares. The stock has ranged in price between $8.38-$9.12 after having opened the day at $8.40 as compared to the previous trading day's close of $8.31. EXCLUSIVE OFFER: See inside Jim Cramer's multi-million dollar charitable trust portfolio to see the stocks he thinks could be potential winners. Click here to see his holdings for 14-days FREE. Braskem S.A., together with its subsidiaries, produces and sells thermoplastic resins. Braskem has a market cap of $3.3 billion and is part of the chemicals industry. Shares are down 35.6% year-to-date as of the close of trading on Friday. Currently there is 1 analyst who rates Braskem a buy, no analysts rate it a sell, and 1 rates it a hold. TheStreet Ratings rates Braskem as a sell. The company's weaknesses can be seen in multiple areas, such as its generally high debt management risk, poor profit margins and generally disappointing historical performance in the stock itself. Get the full Braskem Ratings Report now. EXCLUSIVE OFFER: See inside Jim Cramer's multi-million dollar charitable trust portfolio to see the stocks he thinks could be potential winners. Click here to see his holdings for 14-days FREE.