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.

Two out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading down 9 points (0.0%) at 17,542 as of Wednesday, Aug. 5, 2015, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,510 issues advancing vs. 1,477 declining with 142 unchanged.

The Basic Materials sector currently sits down 0.8% versus the S&P 500, which is up 0.3%. On the negative front, top decliners within the sector include Plains GP Holdings ( PAGP), down 18.4%, Chesapeake Energy ( CHK), down 9.9%, Sunoco Logistics Partners ( SXL), down 6.0%, Enbridge Energy Partners ( EEP), down 4.5% and Magellan Midstream Partners L.P ( MMP), down 4.0%. Top gainers within the sector include HollyFrontier ( HFC), up 4.7%, Spectra Energy ( SE), up 1.5%, Baker Hughes ( BHI), up 1.2%, Halliburton ( HAL), up 1.0% and Phillips 66 ( PSX), up 0.8%.

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

3. Enterprise Products Partners ( EPD) is one of the companies pushing the Basic Materials sector lower today. As of noon trading, Enterprise Products Partners is down $1.16 (-4.2%) to $26.34 on heavy volume. Thus far, 2.7 million shares of Enterprise Products Partners exchanged hands as compared to its average daily volume of 3.2 million shares. The stock has ranged in price between $26.18-$28.22 after having opened the day at $27.61 as compared to the previous trading day's close of $27.50.

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.

Enterprise Products Partners L.P. provides midstream energy services to producers and consumers of natural gas, natural gas liquids (NGLs), crude oil, petrochemicals, and refined products in the United States and internationally. Enterprise Products Partners has a market cap of $54.4 billion and is part of the energy industry. Shares are down 23.9% year-to-date as of the close of trading on Tuesday. Currently there are 18 analysts that rate Enterprise Products Partners a buy, no analysts rate it a sell, and 1 rates it a hold.

TheStreet Ratings rates Enterprise Products Partners as a buy. Among the primary strengths of the company is its generally strong cash flow from operations. We feel its strengths outweigh the fact that the company has had lackluster performance in the stock itself. Get the full Enterprise Products Partners 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.

2. As of noon trading, MarkWest Energy Partners ( MWE) is down $2.82 (-4.5%) to $59.90 on average volume. Thus far, 798,211 shares of MarkWest Energy Partners exchanged hands as compared to its average daily volume of 1.4 million shares. The stock has ranged in price between $59.25-$63.50 after having opened the day at $61.69 as compared to the previous trading day's close of $62.72.

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.

MarkWest Energy Partners, L.P. engages in the gathering, processing, and transportation of natural gas. The company is also involved in the gathering, transportation, fractionation, storage, and marketing of natural gas liquids; and the gathering and transportation of crude oil. MarkWest Energy Partners has a market cap of $12.1 billion and is part of the energy industry. Shares are down 6.7% year-to-date as of the close of trading on Tuesday. Currently there are 6 analysts that rate MarkWest Energy Partners a buy, no analysts rate it a sell, and 9 rate it a hold.

TheStreet Ratings rates MarkWest Energy Partners as a hold. The company's strengths can be seen in multiple areas, such as its good cash flow from operations, expanding profit margins and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, unimpressive growth in net income and feeble growth in the company's earnings per share. Get the full MarkWest Energy Partners 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.

1. As of noon trading, Hess ( HES) is down $1.15 (-2.0%) to $56.40 on average volume. Thus far, 1.4 million shares of Hess exchanged hands as compared to its average daily volume of 2.9 million shares. The stock has ranged in price between $56.29-$58.95 after having opened the day at $58.46 as compared to the previous trading day's close of $57.55.

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.

Hess Corporation, an exploration and production company, develops, produces, purchases, transports, and sells crude oil, natural gas liquids, and natural gas. Hess has a market cap of $16.6 billion and is part of the energy industry. Shares are down 22.0% year-to-date as of the close of trading on Tuesday. Currently there are 9 analysts that rate Hess a buy, no analysts rate it a sell, and 6 rate it a hold.

TheStreet Ratings rates Hess 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 expanding profit margins. However, as a counter to these strengths, we also find weaknesses including feeble growth in the company's earnings per share, deteriorating net income and disappointing return on equity. Get the full Hess 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.

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).