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. Two out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 91 points (0.6%) at 15,282 as of Wednesday, Sept. 11, 2013, 1:05 PM ET. The NYSE advances/declines ratio sits at 1,460 issues advancing vs. 1,478 declining with 91 unchanged. The Chemicals industry currently sits up 0.4% versus the S&P 500, which is up 0.1%. On the negative front, top decliners within the industry include Potash Corporation of Saskatchewan ( POT), down 3.3%, and Mosaic ( MOS), down 1.6%. A company within the industry that increased today was E.I. du Pont de Nemours & Company ( DD), up 0.7%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. Williams Partners ( WPZ) is one of the companies pushing the Chemicals industry lower today. As of noon trading, Williams Partners is down $0.33 (-0.7%) to $50.35 on average volume. Thus far, 569,598 shares of Williams Partners exchanged hands as compared to its average daily volume of 837,700 shares. The stock has ranged in price between $50.27-$50.62 after having opened the day at $50.34 as compared to the previous trading day's close of $50.68. Williams Partners L.P., an energy infrastructure company, focuses on connecting North America's hydrocarbon resource plays to growing markets for natural gas and natural gas liquids (NGL). It operates in two segments, Gas Pipeline and Midstream Gas & Liquids. Williams Partners has a market cap of $22.0 billion and is part of the basic materials sector. Shares are up 4.2% year to date as of the close of trading on Tuesday. Currently there are 8 analysts that rate Williams Partners a buy, no analysts rate it a sell, and 5 rate it a hold. TheStreet Ratings rates Williams Partners as a hold. The company's strengths can be seen in multiple areas, such as its increase in net income, expanding profit margins 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, disappointing return on equity and generally higher debt management risk. Get the full Williams Partners Ratings Report now. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.