Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 32 points (-0.2%) at 15,645 as of Thursday, Sept. 19, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,343 issues advancing vs. 1,599 declining with 112 unchanged. The Energy industry currently sits up 0.3% versus the S&P 500, which is down 0.1%. Top gainers within the industry include Magellan Midstream Partners L.P ( MMP), up 3.9%, Enterprise Products Partners ( EPD), up 2.5%, Williams Companies ( WMB), up 2.2%, Energy Transfer Partners L.P ( ETP), up 2.2% and Phillips 66 ( PSX), up 1.8%. TheStreet would like to highlight 3 stocks pushing the industry lower today: 3. Ecopetrol S.A ( EC) is one of the companies pushing the Energy industry lower today. As of noon trading, Ecopetrol S.A is down $0.70 (-1.5%) to $46.99 on average volume. Thus far, 145,887 shares of Ecopetrol S.A exchanged hands as compared to its average daily volume of 348,700 shares. The stock has ranged in price between $46.98-$48.09 after having opened the day at $48.06 as compared to the previous trading day's close of $47.69. Ecopetrol S.A., an integrated oil company, engages in the exploration, development, and production of crude oil and natural gas Colombia. The company operates in four segments: Exploration and Production, Refining and Petrochemicals, Transportation, and Market and Supply. Ecopetrol S.A has a market cap of $94.7 billion and is part of the basic materials sector. Shares are down 22.8% year to date as of the close of trading on Wednesday. Currently there are no analysts that rate Ecopetrol S.A a buy, 2 analysts rate it a sell, and 1 rates it a hold. TheStreet Ratings rates Ecopetrol S.A as a buy. The company's strengths can be seen in multiple areas, such as its good cash flow from operations, expanding profit margins and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. Get the full Ecopetrol S.A 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.