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 84 points (0.6%) at 15,176 as of Tuesday, May 14, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 2,014 issues advancing vs. 928 declining with 109 unchanged. The Energy industry currently sits up 0.7% versus the S&P 500, which is up 0.9%. Top gainers within the industry include Hess ( HES), up 2.6%, Marathon Oil ( MRO), up 2.7%, Eni SpA ( E), up 2.0%, EOG Resources ( EOG), up 1.9% and Marathon Petroleum ( MPC), up 1.8%. TheStreet Ratings group would like to highlight 3 stocks pushing the industry lower today: 3. Western Gas Partners ( WES) is one of the companies pushing the Energy industry lower today. As of noon trading, Western Gas Partners is down $2.34 (-3.7%) to $60.90 on heavy volume Thus far, 2.8 million shares of Western Gas Partners exchanged hands as compared to its average daily volume of 158,500 shares. The stock has ranged in price between $60.80-$61.19 after having opened the day at $60.95 as compared to the previous trading day's close of $63.24. Western Gas Partners, LP owns, operates, acquires, and develops midstream energy assets in east, west, and south Texas; the Rocky Mountains; and the Mid-Continent. Western Gas Partners has a market cap of $6.6 billion and is part of the basic materials sector. The company has a P/E ratio of 93.7, above the S&P 500 P/E ratio of 17.7. Shares are up 31.8% year to date as of the close of trading on Monday. TheStreet Ratings rates Western Gas Partners as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, increase in net income, good cash flow from operations, expanding profit margins and solid stock price performance. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Western Gas Partners 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.