Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model Two out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 14 points (0.1%) at 15,368 as of Monday, May 20, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,885 issues advancing vs. 1,048 declining with 118 unchanged. The Chemicals industry currently sits up 0.5% versus the S&P 500, which is up 0.1%. A company within the industry that increased today was Mosaic ( MOS), up 1.15. On the negative front, top decliners within the industry include Valhi ( VHI), down 2.32, Sherwin-Williams Company ( SHW), down 0.85 and PPG Industries ( PPG), down 0.81. TheStreet Ratings group would like to highlight 5 stocks pushing the industry higher today: 5. Westlake Chemical Corporation ( WLK) is one of the companies pushing the Chemicals industry higher today. As of noon trading, Westlake Chemical Corporation is up $1.35 (1.46) to $93.84 on average volume Thus far, 272,000 shares of Westlake Chemical Corporation exchanged hands as compared to its average daily volume of 607,200 shares. The stock has ranged in price between $91.94-$94.98 after having opened the day at $92.58 as compared to the previous trading day's close of $92.49. Westlake Chemical Corporation manufactures and markets basic chemicals, vinyls, polymers, and fabricated building products. It operates in two segments, Olefins and Vinyls. Westlake Chemical Corporation has a market cap of $6.0 billion and is part of the basic materials sector. The company has a P/E ratio of 14.4, below the S&P 500 P/E ratio of 17.7. Shares are up 16.6% year to date as of the close of trading on Friday. Currently there is 1 analyst that rates Westlake Chemical Corporation a buy, 2 analysts rate it a sell, and 6 rate it a hold. TheStreet Ratings rates Westlake Chemical Corporation as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, impressive record of earnings per share growth, largely solid financial position with reasonable debt levels by most measures, attractive valuation levels and good cash flow from operations. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Westlake Chemical Corporation Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.