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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 24 points (-0.2%) at 15,303 as of Thursday, Sept. 12, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 960 issues advancing vs. 1,922 declining with 143 unchanged. The Services sector currently sits down 0.5% versus the S&P 500, which is down 0.3%. Top gainers within the sector include Wendy's ( WEN), up 3.9%, Sears Holdings Corporation ( SHLD), up 3.7%, MasterCard Incorporated ( MA), up 1.9%, Cardinal Health ( CAH), up 1.1% and Liberty Global ( LBTYA), up 0.9%. On the negative front, top decliners within the sector include Men's Wearhouse ( MW), down 10.3%, L Brands ( LTD), down 1.7%, Grupo Televisa S.A.B ( TV), down 1.5%, United Continental Holdings ( UAL), down 1.7% and Shaw Communications ( SJR), down 1.9%. TheStreet would like to highlight 5 stocks pushing the sector higher today: 5. McKesson ( MCK) is one of the companies pushing the Services sector higher today. As of noon trading, McKesson is up $0.97 (0.8%) to $128.67 on average volume. Thus far, 413,617 shares of McKesson exchanged hands as compared to its average daily volume of 996,000 shares. The stock has ranged in price between $127.80-$129.62 after having opened the day at $127.92 as compared to the previous trading day's close of $127.70. McKesson Corporation, together with its subsidiaries, delivers pharmaceuticals, medical supplies, and health care information technologies to the healthcare industry primarily in the United States. It operates in two segments, McKesson Distribution Solutions and McKesson Technology Solutions. McKesson has a market cap of $28.8 billion and is part of the wholesale industry. Shares are up 29.9% year to date as of the close of trading on Wednesday. Currently there are 7 analysts that rate McKesson a buy, no analysts rate it a sell, and 6 rate it a hold. TheStreet Ratings rates McKesson as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations, largely solid financial position with reasonable debt levels by most measures, solid stock price performance and growth in earnings per share. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full McKesson Ratings Report now. 3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.