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. All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 84 points (0.5%) at 17,140 as of Wednesday, Sept. 24, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,536 issues advancing vs. 1,417 declining with 186 unchanged. The Basic Materials sector currently sits down 0.5% versus the S&P 500, which is up 0.4%. On the negative front, top decliners within the sector include Halliburton ( HAL), down 2.1%, Enbridge ( ENB), down 1.8%, Suncor Energy ( SU), down 1.6%, Chevron ( CVX), down 1.5% and Ecopetrol ( EC), down 1.5%. Top gainers within the sector include China Petroleum & Chemical ( SNP), up 3.1%, PetroChina ( PTR), up 2.8%, Total ( TOT), up 2.3%, Energy Transfer Equity ( ETE), up 1.5% and Occidental Petroleum ( OXY), up 0.8%. TheStreet would like to highlight 3 stocks pushing the sector lower today: 3. Imperial Oil ( IMO) is one of the companies pushing the Basic Materials sector lower today. As of noon trading, Imperial Oil is down $0.55 (-1.1%) to $47.86 on average volume. Thus far, 84,678 shares of Imperial Oil exchanged hands as compared to its average daily volume of 172,100 shares. The stock has ranged in price between $47.55-$48.50 after having opened the day at $48.22 as compared to the previous trading day's close of $48.41. Imperial Oil Limited is engaged in the exploration for, production, and sale of crude oil and natural gas in Canada. The company operates through three segments: Upstream, Downstream, and Chemical. Imperial Oil has a market cap of $40.9 billion and is part of the energy industry. Shares are up 9.4% year-to-date as of the close of trading on Tuesday. Currently there are no analysts that rate Imperial Oil a buy, 1 analyst rates it a sell, and 2 rate it a hold. TheStreet Ratings rates Imperial Oil as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, increase in stock price during the past year, attractive valuation levels, good cash flow from operations and compelling growth in net income. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Imperial Oil 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.