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 up today with the Dow Jones Industrial Average ( ^DJI) trading up 68 points (0.4%) at 15,371 as of Thursday, May 30, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,814 issues advancing vs. 1,135 declining with 104 unchanged. The Industrial Goods sector currently sits up 0.7% versus the S&P 500, which is up 0.5%. Top gainers within the sector include Nidec Corporation ( NJ), up 3.7%, L-3 Communications Holdings ( LLL), up 2.6%, Pall Corporation ( PLL), up 1.9%, Northrop Grumman ( NOC), up 1.9% and Republic Services ( RSG), up 1.8%. TheStreet Ratings group would like to highlight 3 stocks pushing the sector lower today: 3. MRC Global ( MRC) is one of the companies pushing the Industrial Goods sector lower today. As of noon trading, MRC Global is down $0.99 (-3.5%) to $27.52 on heavy volume Thus far, 967,977 shares of MRC Global exchanged hands as compared to its average daily volume of 799,700 shares. The stock has ranged in price between $27.48-$28.73 after having opened the day at $28.50 as compared to the previous trading day's close of $28.51. MRC Global Inc. distributes pipes, valves, and fittings (PVF), and related products and services to the energy industry worldwide. MRC Global has a market cap of $3.4 billion and is part of the industrial industry. The company has a P/E ratio of 27.0, above the S&P 500 P/E ratio of 17.7. Shares are up 19.5% year to date as of the close of trading on Wednesday. Currently there are 9 analysts that rate MRC Global a buy, 1 analyst rates it a sell, and 1 rates it a hold. TheStreet Ratings rates MRC Global as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, compelling growth in net income and reasonable valuation levels. However, as a counter to these strengths, we find that the company's profit margins have been poor overall. Get the full MRC Global 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.