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 266 points (-2.0%) at 12,979 as of Wednesday, Nov. 7, 2012, 2:19 PM ET. The NYSE advances/declines ratio sits at 512 issues advancing vs. 2,488 declining with 87 unchanged. The Materials & Construction industry currently sits down 1.4% versus the S&P 500, which is down 1.9%. Top gainers within the industry include Toll Brothers ( TOL), up 1.1%, and Lennar Corporation ( LEN), up 0.7%. On the negative front, top decliners within the industry include Vulcan Materials Company ( VMC), down 4.0%, Chicago Bridge & Iron Company ( CBI), down 2.3%, Fluor Corporation ( FLR), down 2.3%, Fastenal Company ( FAST), down 1.1% and Cemex S.A.B. de C.V ( CX), down 0.7%. TheStreet Ratings group would like to highlight 3 stocks pushing the industry higher today: 3. Clean Harbors ( CLH) is one of the companies pushing the Materials & Construction industry higher today. As of noon trading, Clean Harbors is up $1.25 (2.1%) to $59.31 on heavy volume Thus far, 886,037 shares of Clean Harbors exchanged hands as compared to its average daily volume of 523,800 shares. The stock has ranged in price between $55.90-$59.97 after having opened the day at $56.75 as compared to the previous trading day's close of $58.06. Clean Harbors, Inc., through its subsidiaries, provides environmental, energy, and industrial services. Clean Harbors has a market cap of $3.1 billion and is part of the industrial goods sector. The company has a P/E ratio of 23.4, above the S&P 500 P/E ratio of 17.7. Shares are down 9.8% year to date as of the close of trading on Tuesday. Currently there are 8 analysts that rate Clean Harbors a buy, no analysts rate it a sell, and 2 rate it a hold. TheStreet Ratings rates Clean Harbors as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, good cash flow from operations, increase in stock price during the past year and notable return on equity. We feel these strengths outweigh the fact that the company has had somewhat weak growth in earnings per share. Get the full Clean Harbors Ratings Report now.