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 60 points (0.4%) at 15,029 as of Tuesday, May 7, 2013, 12:54 PM ET. The NYSE advances/declines ratio sits at 1,907 issues advancing vs. 994 declining with 159 unchanged. The Wholesale industry currently sits up 0.1% versus the S&P 500, which is up 0.3%. TheStreet Ratings group would like to highlight 4 stocks pushing the industry lower today: 4. MWI Veterinary Supply ( MWIV) is one of the companies pushing the Wholesale industry lower today. As of noon trading, MWI Veterinary Supply is down $2.81 (-2.3%) to $117.82 on light volume Thus far, 22,807 shares of MWI Veterinary Supply exchanged hands as compared to its average daily volume of 62,500 shares. The stock has ranged in price between $117.79-$120.39 after having opened the day at $120.39 as compared to the previous trading day's close of $120.63. MWI Veterinary Supply, Inc., together with its subsidiaries, engages in the distribution of animal health products to veterinarians in the United States and the United Kingdom. MWI Veterinary Supply has a market cap of $1.6 billion and is part of the services sector. The company has a P/E ratio of 26.1, above the S&P 500 P/E ratio of 17.7. Shares are up 10.3% year to date as of the close of trading on Monday. TheStreet Ratings rates MWI Veterinary Supply as a buy. The company's strengths can be seen in multiple areas, such as its growth in earnings per share, increase in net income, revenue growth, notable return on equity and solid stock price performance. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full MWI Veterinary Supply 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.