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 114 points (0.6%) at 17,744 as of Wednesday, July 29, 2015, 2:00 PM ET. The NYSE advances/declines ratio sits at 2,136 issues advancing vs. 880 declining with 147 unchanged.

The Basic Materials sector currently sits up 1.7% versus the S&P 500, which is up 0.5%. On the negative front, top decliners within the sector include

Consol Energy

(

CNX

), down 6.9%,

Range Resources

(

RRC

), down 5.5%,

Valero Energy

(

VLO

), down 0.1% and

Kinder Morgan

(

KMI

), down 0.0%. Top gainers within the sector include

Cytec Industries

(

CYT

), up 26.4%,

Petroleo Brasileiro SA Petrobras

(

PBR

), up 7.4%,

Anadarko Petroleum

(

APC

), up 4.0%,

Statoil ASA

(

STO

), up 3.8% and

PetroChina

(

PTR

), up 3.5%.

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

3.

NewMarket

(

NEU

) is one of the companies pushing the Basic Materials sector lower today. As of noon trading, NewMarket is down $37.26 (-8.1%) to $422.55 on heavy volume. Thus far, 159,674 shares of NewMarket exchanged hands as compared to its average daily volume of 36,000 shares. The stock has ranged in price between $420.01-$445.20 after having opened the day at $440.68 as compared to the previous trading day's close of $459.81.

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NewMarket Corporation, through its subsidiaries, engages in the petroleum additives businesses. NewMarket has a market cap of $5.5 billion and is part of the chemicals industry. Shares are up 13.9% year-to-date as of the close of trading on Tuesday. Currently there are no analysts that rate NewMarket a buy, no analysts rate it a sell, and 2 rate it a hold.

TheStreet Ratings rates

NewMarket

as a

buy

. The company's strengths can be seen in multiple areas, such as its growth in earnings per share, increase in net income, largely solid financial position with reasonable debt levels by most measures, notable return on equity and good cash flow from operations. We feel its strengths outweigh the fact that the company shows low profit margins. Get the full

NewMarket Ratings Report

now.

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2. As of noon trading,

Potash Corp of Saskatchewan

(

POT

) is down $0.56 (-2.0%) to $26.76 on heavy volume. Thus far, 4.5 million shares of Potash Corp of Saskatchewan exchanged hands as compared to its average daily volume of 4.3 million shares. The stock has ranged in price between $26.72-$27.23 after having opened the day at $27.20 as compared to the previous trading day's close of $27.32.

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Potash Corporation of Saskatchewan Inc., together with its subsidiaries, produces and sells fertilizers and related industrial and feed products worldwide. The company operates in three segments: Potash, Nitrogen, and Phosphate. Potash Corp of Saskatchewan has a market cap of $22.8 billion and is part of the chemicals industry. Shares are down 22.6% year-to-date as of the close of trading on Tuesday. Currently there are 7 analysts that rate Potash Corp of Saskatchewan a buy, 1 analyst rates it a sell, and 8 rate it a hold.

TheStreet Ratings rates

Potash Corp of Saskatchewan

as a

hold

. The company's strengths can be seen in multiple areas, such as its increase in net income, expanding profit margins and growth in earnings per share. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself and weak operating cash flow. Get the full

Potash Corp of Saskatchewan Ratings Report

now.

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1. As of noon trading,

Southwestern Energy

(

SWN

) is down $0.54 (-2.8%) to $19.02 on average volume. Thus far, 5.8 million shares of Southwestern Energy exchanged hands as compared to its average daily volume of 7.7 million shares. The stock has ranged in price between $18.77-$19.52 after having opened the day at $19.50 as compared to the previous trading day's close of $19.57.

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Southwestern Energy Company explores, develops, and produces natural gas and oil in the United States. The company operates in two segments, Exploration, Development and Production; and Midstream Services. Southwestern Energy has a market cap of $7.0 billion and is part of the energy industry. Shares are down 28.3% year-to-date as of the close of trading on Tuesday. Currently there are 10 analysts that rate Southwestern Energy a buy, 1 analyst rates it a sell, and 13 rate it a hold.

TheStreet Ratings rates

Southwestern Energy

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 deteriorating net income, disappointing return on equity and weak operating cash flow. Get the full

Southwestern Energy 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

).