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. All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 31 points (0.2%) at 16,096 as of Monday, Nov. 25, 2013, 11:45 AM ET. The NYSE advances/declines ratio sits at 1,434 issues advancing vs. 1,496 declining with 119 unchanged. The Basic Materials sector currently sits down 0.9% versus the S&P 500, which is up 0.1%. On the negative front, top decliners within the sector include Seadrill ( SDRL), down 5.8%, Newmont Mining Corporation ( NEM), down 3.8%, Pioneer Natural Resources Company ( PXD), down 3.7%, Continental Resources ( CLR), down 3.6% and Goldcorp ( GG), down 3.5%. TheStreet would like to highlight 5 stocks pushing the sector lower today: 5. LyondellBasell Industries ( LYB) is one of the companies pushing the Basic Materials sector lower today. As of noon trading, LyondellBasell Industries is down $1.97 (-2.5%) to $77.32 on heavy volume. Thus far, 3.4 million shares of LyondellBasell Industries exchanged hands as compared to its average daily volume of 3.3 million shares. The stock has ranged in price between $76.88-$78.52 after having opened the day at $78.42 as compared to the previous trading day's close of $79.29. LyondellBasell Industries N.V., together with its subsidiaries, manufacturers and sells chemicals and polymers; refines crude oil; produces gasoline blending components; and develops and licenses technologies for the production of polymers. LyondellBasell Industries has a market cap of $43.0 billion and is part of the chemicals industry. The company has a P/E ratio of 13.4, below the S&P 500 P/E ratio of 17.7. Shares are up 38.9% year to date as of the close of trading on Friday. Currently there are 10 analysts that rate LyondellBasell Industries a buy, no analysts rate it a sell, and 3 rate it a hold. TheStreet Ratings rates LyondellBasell Industries as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, largely solid financial position with reasonable debt levels by most measures, notable return on equity, attractive valuation levels and growth in earnings per share. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full LyondellBasell Industries 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.