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 All three major indices are trading down today with the Dow Jones Industrial Average ( ^DJI) trading down 65 points (-0.4%) at 15,111 as of Friday, June 14, 2013, 12:45 PM ET. The NYSE advances/declines ratio sits at 2,604 issues advancing vs. 474 declining with 57 unchanged. The Chemicals industry currently sits down 0.31 versus the S&P 500, which is down 0.25. TheStreet Ratings group would like to highlight 4 stocks pushing the industry lower today: 4. PPG Industries ( PPG) is one of the companies pushing the Chemicals industry lower today. As of noon trading, PPG Industries is down $1.59 (-1.0%) to $153.68 on light volume Thus far, 243,331 shares of PPG Industries exchanged hands as compared to its average daily volume of 839,800 shares. The stock has ranged in price between $153.11-$155.72 after having opened the day at $154.37 as compared to the previous trading day's close of $155.27. PPG Industries, Inc. operates as a coatings and specialty products company. PPG Industries has a market cap of $21.5 billion and is part of the basic materials sector. The company has a P/E ratio of 19.2, above the S&P 500 P/E ratio of 17.7. Shares are up 14.7% year to date as of the close of trading on Thursday. Currently there are 12 analysts that rate PPG Industries a buy, no analysts rate it a sell, and 6 rate it a hold. TheStreet Ratings rates PPG Industries as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, compelling growth in net income, expanding profit margins, impressive record of earnings per share growth and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company shows weak operating cash flow. Get the full PPG 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.