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 30 points (0.2%) at 16,949 as of Wednesday, Aug. 20, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,346 issues advancing vs. 1,589 declining with 185 unchanged. The Chemicals industry currently is unchanged today versus the S&P 500, which is up 0.1%. A company within the industry that increased today was Sociedad Quimica Y Minera De Chile ( SQM), up 1.1%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. Praxair ( PX) is one of the companies pushing the Chemicals industry lower today. As of noon trading, Praxair is down $0.70 (-0.5%) to $129.89 on heavy volume. Thus far, 655,139 shares of Praxair exchanged hands as compared to its average daily volume of 871,500 shares. The stock has ranged in price between $129.43-$130.56 after having opened the day at $130.34 as compared to the previous trading day's close of $130.59. Praxair, Inc. produces, sells, and distributes atmospheric, process, and specialty gases, as well as surface coatings in North America, Europe, South America, and Asia. Praxair has a market cap of $38.2 billion and is part of the basic materials sector. Shares are up 0.4% year-to-date as of the close of trading on Tuesday. Currently there are 9 analysts that rate Praxair a buy, 1 analyst rates it a sell, and 7 rate it a hold. TheStreet Ratings rates Praxair 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, revenue growth, good cash flow from operations and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had generally high debt management risk by most measures that we evaluated. Get the full Praxair 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.