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 39 points (0.2%) at 18,089 as of Thursday, July 16, 2015, 12:55 PM ET. The NYSE advances/declines ratio sits at 2,169 issues advancing vs. 878 declining with 123 unchanged.

The Basic Materials sector currently sits down 0.6% versus the S&P 500, which is up 0.7%. Top gainers within the sector include Valero Energy ( VLO), up 3.7%, Vale ( VALE), up 1.8%, PetroChina ( PTR), up 1.8%, Enbridge ( ENB), up 1.5% and Phillips 66 ( PSX), up 1.6%. On the negative front, top decliners within the sector include Genesis Energy ( GEL), down 5.2%, Barrick Gold ( ABX), down 3.3%, POSCO ( PKX), down 3.3%, Enterprise Products Partners ( EPD), down 1.4% and Spectra Energy Partners ( SEP), down 2.0%.

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

3. Tesoro ( TSO) is one of the companies pushing the Basic Materials sector higher today. As of noon trading, Tesoro is up $6.10 (6.2%) to $103.81 on average volume. Thus far, 1.5 million shares of Tesoro exchanged hands as compared to its average daily volume of 2.2 million shares. The stock has ranged in price between $97.72-$103.92 after having opened the day at $98.39 as compared to the previous trading day's close of $97.71.

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Tesoro Corporation, through its subsidiaries, engages in petroleum refining and marketing activities in the United States. It operates in three segments: Refining, Tesoro Logistics LP (TLLP), and Retail. Tesoro has a market cap of $12.4 billion and is part of the energy industry. Shares are up 31.4% year-to-date as of the close of trading on Wednesday. Currently there are 5 analysts who rate Tesoro a buy, no analysts rate it a sell, and 6 rate it a hold.

TheStreet Ratings rates Tesoro 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, reasonable valuation levels and good cash flow from operations. We feel its strengths outweigh the fact that the company shows low profit margins. Get the full Tesoro Ratings Report now.

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2. As of noon trading, Marathon Petroleum ( MPC) is up $0.85 (1.5%) to $58.36 on average volume. Thus far, 2.9 million shares of Marathon Petroleum exchanged hands as compared to its average daily volume of 4.7 million shares. The stock has ranged in price between $57.62-$58.59 after having opened the day at $57.99 as compared to the previous trading day's close of $57.51.

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Marathon Petroleum Corporation, together with its subsidiaries, engages in refining, marketing, retailing, and transporting petroleum products primarily in the United States. It operates through three segments: Refining & Marketing, Speedway, and Pipeline Transportation. Marathon Petroleum has a market cap of $31.9 billion and is part of the energy industry. Shares are up 27.4% year-to-date as of the close of trading on Wednesday. Currently there are 8 analysts who rate Marathon Petroleum a buy, no analysts rate it a sell, and 5 rate it a hold.

TheStreet Ratings rates Marathon Petroleum 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 its strengths outweigh the fact that the company shows low profit margins. Get the full Marathon Petroleum Ratings Report now.

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1. As of noon trading, E I du Pont de Nemours & Company ( DD) is up $0.93 (1.6%) to $59.93 on average volume. Thus far, 2.6 million shares of E I du Pont de Nemours & Company exchanged hands as compared to its average daily volume of 6.4 million shares. The stock has ranged in price between $58.92-$59.93 after having opened the day at $59.15 as compared to the previous trading day's close of $59.00.

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E. I. du Pont de Nemours and Company operates as a science and technology based company worldwide. The company's Agriculture segment offers corn hybrid, soybean, canola, sunflower, sorghum, inoculants, seed products, wheat, rice, herbicides, fungicides, and insecticides. E I du Pont de Nemours & Company has a market cap of $53.8 billion and is part of the chemicals industry. Shares are down 20.2% year-to-date as of the close of trading on Wednesday. Currently there are 5 analysts who rate E I du Pont de Nemours & Company a buy, no analysts rate it a sell, and 8 rate it a hold.

TheStreet Ratings rates E I du Pont de Nemours & Company 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, reasonable valuation levels, good cash flow from operations, notable return on equity and expanding profit margins. We feel its strengths outweigh the fact that the company has had sub par growth in net income. Get the full E I du Pont de Nemours & Company 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).