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.

One out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading up 49 points (0.3%) at 16,411 as of Monday, April 28, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,415 issues advancing vs. 1,576 declining with 152 unchanged.

The Basic Materials sector currently sits down 0.4% versus the S&P 500, which is unchanged. Top gainers within the sector include Weatherford International ( WFT), up 3.4%, Petroleo Brasileiro SA Petrobras ( PBR), up 2.3%, PetroChina ( PTR), up 2.2%, Total ( TOT), up 1.6% and Suncor Energy ( SU), up 1.0%. On the negative front, top decliners within the sector include Energy Transfer Partners ( ETP), down 2.1%, Ecopetrol ( EC), down 1.7% and BP ( BP), down 1.2%.

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

3. Valero Energy ( VLO) is one of the companies pushing the Basic Materials sector higher today. As of noon trading, Valero Energy is up $1.05 (1.9%) to $57.72 on average volume. Thus far, 4.3 million shares of Valero Energy exchanged hands as compared to its average daily volume of 8.0 million shares. The stock has ranged in price between $56.38-$58.33 after having opened the day at $57.03 as compared to the previous trading day's close of $56.67.

Valero Energy Corporation operates as an independent petroleum refining and marketing company in the United States, Canada, the Caribbean, the United Kingdom, and Ireland. It operates through two segments, Refining and Ethanol. Valero Energy has a market cap of $30.1 billion and is part of the energy industry. The company has a P/E ratio of 11.1, below the S&P 500 P/E ratio of 17.7. Shares are up 12.4% year-to-date as of the close of trading on Friday. Currently there are 9 analysts who rate Valero Energy a buy, no analysts rate it a sell, and 4 rate it a hold.

TheStreet Ratings rates Valero Energy as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, impressive record of earnings per share growth, compelling growth in net income, attractive valuation levels and good cash flow from operations. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Valero Energy Ratings Report now.

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2. As of noon trading, Chevron ( CVX) is up $1.32 (1.1%) to $125.31 on average volume. Thus far, 3.1 million shares of Chevron exchanged hands as compared to its average daily volume of 6.7 million shares. The stock has ranged in price between $124.25-$125.44 after having opened the day at $124.26 as compared to the previous trading day's close of $123.99.

Chevron Corporation, through its subsidiaries, is engaged in petroleum, chemicals, mining, power generation, and energy operations worldwide. The company operates in two segments, Upstream and Downstream. Chevron has a market cap of $236.6 billion and is part of the energy industry. The company has a P/E ratio of 10.5, below the S&P 500 P/E ratio of 17.7. Shares are down 0.7% year-to-date as of the close of trading on Friday. Currently there are 9 analysts who rate Chevron a buy, no analysts rate it a sell, and 4 rate it a hold.

TheStreet Ratings rates Chevron as a buy. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures, attractive valuation levels and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had somewhat weak growth in earnings per share. Get the full Chevron Ratings Report now.

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1. As of noon trading, Exxon Mobil Corporation ( XOM) is up $0.51 (0.5%) to $100.92 on average volume. Thus far, 4.7 million shares of Exxon Mobil Corporation exchanged hands as compared to its average daily volume of 12.3 million shares. The stock has ranged in price between $100.43-$101.16 after having opened the day at $100.72 as compared to the previous trading day's close of $100.41.

Exxon Mobil Corporation explores and produces for crude oil and natural gas. As of December 31, 2013, the company had approximately 37,661 gross and 31,823 net operated wells. Exxon Mobil Corporation has a market cap of $431.1 billion and is part of the energy industry. The company has a P/E ratio of 12.8, below the S&P 500 P/E ratio of 17.7. Shares are down 0.8% year-to-date as of the close of trading on Friday. Currently there are 6 analysts who rate Exxon Mobil Corporation a buy, 1 analyst rates it a sell, and 7 rate it a hold.

TheStreet Ratings rates Exxon Mobil Corporation as a buy. The company's strengths can be seen in multiple areas, such as its attractive valuation levels, increase in stock price during the past year and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Exxon Mobil Corporation 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.

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).

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