Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 14 points (-0.1%) at 17,773 as of Wednesday, June 1, 2016, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,608 issues advancing vs. 1,334 declining with 152 unchanged.

The Basic Materials sector currently sits down 0.2% versus the S&P 500, which is down 0.1%. Top gainers within the sector include HollyFrontier ( HFC), up 4.7%, Plains GP Holdings ( PAGP), up 4.3%, Energy Transfer Equity ( ETE), up 4.0%, Marathon Petroleum ( MPC), up 3.5% and Williams Partners ( WPZ), up 3.1%. On the negative front, top decliners within the sector include National Oilwell Varco ( NOV), down 2.7%, Apache ( APA), down 2.7%, Newfield Exploration ( NFX), down 2.6%, Hess ( HES), down 2.3% and Crescent Point Energy ( CPG), down 2.2%.

TheStreet would like to highlight 3 stocks pushing the sector higher today:

3. Petroleo Brasileiro SA Petrobras ( PBR.A) is one of the companies pushing the Basic Materials sector higher today. As of noon trading, Petroleo Brasileiro SA Petrobras is up $0.03 (0.7%) to $4.44 on average volume. Thus far, 7.9 million shares of Petroleo Brasileiro SA Petrobras exchanged hands as compared to its average daily volume of 12.8 million shares. The stock has ranged in price between $4.29-$4.48 after having opened the day at $4.37 as compared to the previous trading day's close of $4.41.

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Petroleo Brasileiro S.A. - Petrobras operates as an integrated energy company in Brazil and internationally. Petroleo Brasileiro SA Petrobras has a market cap of $29.7 billion and is part of the energy industry. Shares are up 29.7% year-to-date as of the close of trading on Tuesday.

TheStreet Ratings rates Petroleo Brasileiro SA Petrobras as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, generally high debt management risk, disappointing return on equity, weak operating cash flow and generally disappointing historical performance in the stock itself. Get the full Petroleo Brasileiro SA Petrobras Ratings Report now.

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2. As of noon trading, MPLX ( MPLX) is up $1.20 (3.8%) to $33.10 on light volume. Thus far, 318,680 shares of MPLX exchanged hands as compared to its average daily volume of 1.8 million shares. The stock has ranged in price between $31.46-$33.41 after having opened the day at $31.47 as compared to the previous trading day's close of $31.90.

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MPLX LP owns, operates, develops, and acquires midstream energy infrastructure assets. MPLX has a market cap of $11.0 billion and is part of the energy industry. Shares are down 18.9% year-to-date as of the close of trading on Tuesday. Currently there are 6 analysts who rate MPLX a buy, no analysts rate it a sell, and 5 rate it a hold.

TheStreet Ratings rates MPLX as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, good cash flow from operations and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and a generally disappointing performance in the stock itself. Get the full MPLX Ratings Report now.

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1. As of noon trading, Plains All American Pipeline ( PAA) is up $0.74 (3.2%) to $23.87 on light volume. Thus far, 1.1 million shares of Plains All American Pipeline exchanged hands as compared to its average daily volume of 3.1 million shares. The stock has ranged in price between $22.53-$23.87 after having opened the day at $22.58 as compared to the previous trading day's close of $23.13.

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Plains All American Pipeline, L.P., through with its subsidiaries, engages in the transportation, storage, terminalling, and marketing of crude oil, natural gas liquids (NGL), natural gas, and refined products in the United States and Canada. Plains All American Pipeline has a market cap of $8.8 billion and is part of the energy industry. Shares are up 0.1% year-to-date as of the close of trading on Tuesday. Currently there are 4 analysts who rate Plains All American Pipeline a buy, 1 analyst rates it a sell, and 14 rate it a hold.

TheStreet Ratings rates Plains All American Pipeline as a hold. Among the primary strengths of the company is its reasonable valuation levels, considering its current price compared to earnings, book value and other measures. At the same time, however, we also find weaknesses including generally higher debt management risk, disappointing return on equity and a generally disappointing performance in the stock itself. Get the full Plains All American Pipeline Ratings Report now.

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If you are interested in one of these 3 stocks, ETFs may be of interest. Investors who are bullish on the basic materials sector could consider Materials Select Sector SPDR ( XLB) while those bearish on the basic materials sector could consider ProShares Short Basic Materials Fd ( SBM).