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 lower today with the Dow Jones Industrial Average ( ^DJI) trading down 5 points (0.0%) at 15,100 as of Thursday, May 9, 2013, 12:45 PM ET. The NYSE advances/declines ratio sits at 1,176 issues advancing vs. 1,742 declining with 136 unchanged. The Chemicals industry currently is unchanged today versus the S&P 500, which is down 0.21. On the negative front, top decliners within the industry include LyondellBasell Industries ( LYB), down 1.27, and PPG Industries ( PPG), down 0.63. TheStreet Ratings group would like to highlight 3 stocks pushing the industry lower today: 3. Braskem ( BAK) is one of the companies pushing the Chemicals industry lower today. As of noon trading, Braskem is down $0.32 (-1.8%) to $17.03 on heavy volume Thus far, 331,898 shares of Braskem exchanged hands as compared to its average daily volume of 353,600 shares. The stock has ranged in price between $16.78-$17.10 after having opened the day at $16.90 as compared to the previous trading day's close of $17.35. Braskem S.A., together with its subsidiaries, produces and sells basic petrochemicals and thermoplastic resins in Brazil and internationally. It operates in three segments: Basic Petrochemicals, Polyolefins, and Vinyls. Braskem has a market cap of $6.9 billion and is part of the basic materials sector. The company has a P/E ratio of 8.6, below the S&P 500 P/E ratio of 17.7. Shares are up 30.0% year to date as of the close of trading on Wednesday. TheStreet Ratings rates Braskem as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, increase in net income and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including generally higher debt management risk, disappointing return on equity and poor profit margins. Get the full Braskem 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.