All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 56 points (0.3%) at 17,533 as of Monday, Aug. 17, 2015, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,658 issues advancing vs. 1,301 declining with 196 unchanged.

The Basic Materials sector currently sits up 0.3% versus the S&P 500, which is up 0.3%. On the negative front, top decliners within the sector include Halliburton ( HAL), down 2.4%, Suncor Energy ( SU), down 1.9%, Chevron ( CVX), down 1.8%, BP ( BP), down 1.0% and Schlumberger ( SLB), down 0.7%. Top gainers within the sector include Williams Companies ( WMB), up 4.5%, Energy Transfer Equity ( ETE), up 2.9%, Sherwin-Williams ( SHW), up 2.1%, Enterprise Products Partners ( EPD), up 1.9% and Kinder Morgan ( KMI), up 1.7%.

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

3. Imperial Oil ( IMO) is one of the companies pushing the Basic Materials sector lower today. As of noon trading, Imperial Oil is down $0.42 (-1.1%) to $36.31 on light volume. Thus far, 78,388 shares of Imperial Oil exchanged hands as compared to its average daily volume of 304,900 shares. The stock has ranged in price between $36.13-$36.58 after having opened the day at $36.42 as compared to the previous trading day's close of $36.73.

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Imperial Oil Limited explores for, produces, and sells crude oil and natural gas in Canada. The company operates through three segments: Upstream, Downstream, and Chemical. The Upstream segment explores for and produces crude oil, natural gas, synthetic oil, and bitumen. Imperial Oil has a market cap of $31.0 billion and is part of the energy industry. Shares are down 14.6% year-to-date as of the close of trading on Friday. Currently there are no analysts that rate Imperial Oil a buy, 1 analyst rates it a sell, and 2 rate it a hold.

TheStreet Ratings rates Imperial Oil as a hold. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures and reasonable valuation levels. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and weak operating cash flow. Get the full Imperial Oil Ratings Report now.

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2. As of noon trading, Canadian Natural Resources ( CNQ) is down $0.24 (-1.0%) to $23.07 on average volume. Thus far, 1.5 million shares of Canadian Natural Resources exchanged hands as compared to its average daily volume of 3.0 million shares. The stock has ranged in price between $22.93-$23.23 after having opened the day at $23.07 as compared to the previous trading day's close of $23.31.

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Canadian Natural Resources Limited acquires, explores for, develops, produces, markets, and sells crude oil, natural gas, and natural gas liquids (NGLs). The company offers light and medium crude oil, primary heavy crude oil, Pelican Lake heavy crude oil, bitumen, and synthetic crude oil (SCO). Canadian Natural Resources has a market cap of $25.9 billion and is part of the energy industry. Shares are down 24.5% year-to-date as of the close of trading on Friday. Currently there are 9 analysts that rate Canadian Natural Resources a buy, no analysts rate it a sell, and none rate it a hold.

TheStreet Ratings rates Canadian Natural Resources as a hold. The company's strengths can be seen in multiple areas, such as its reasonable valuation levels, largely solid financial position with reasonable debt levels by most measures and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and weak operating cash flow. Get the full Canadian Natural Resources Ratings Report now.

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1. As of noon trading, Baker Hughes ( BHI) is down $0.64 (-1.1%) to $56.69 on average volume. Thus far, 1.4 million shares of Baker Hughes exchanged hands as compared to its average daily volume of 3.3 million shares. The stock has ranged in price between $56.62-$57.42 after having opened the day at $57.04 as compared to the previous trading day's close of $57.33.

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Baker Hughes Incorporated supplies oilfield services, products, technology, and systems to the oil and natural gas industry worldwide. Baker Hughes has a market cap of $24.8 billion and is part of the energy industry. Shares are up 2.2% year-to-date as of the close of trading on Friday. Currently there are 13 analysts that rate Baker Hughes a buy, 1 analyst rates it a sell, and 8 rate it a hold.

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