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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 46 points (-0.3%) at 15,208 as of Tuesday, June 4, 2013, 12:49 PM ET. The NYSE advances/declines ratio sits at 1,093 issues advancing vs. 1,832 declining with 114 unchanged. The Services sector currently sits down 0.15 versus the S&P 500, which is down 0.24. On the negative front, top decliners within the sector include Dollar General Corporation ( DG), down 7.45, Dillards ( DDS), down 4.23, Marriott International ( MAR), down 2.46, Canadian Pacific Railway ( CP), down 2.70 and Starwood Hotels & Resorts Worldwide ( HOT), down 2.23. Top gainers within the sector include Liberty Media Corporation ( LMCA), up 13.4%, GameStop ( GME), up 4.4%, Ctrip.com International ( CTRP), up 3.7%, Staples ( SPLS), up 2.8% and AutoNation ( AN), up 2.8%. TheStreet Ratings group would like to highlight 5 stocks pushing the sector lower today: 5. Walgreen Company ( WAG) is one of the companies pushing the Services sector lower today. As of noon trading, Walgreen Company is down $0.36 (-0.7%) to $48.14 on average volume Thus far, 2.9 million shares of Walgreen Company exchanged hands as compared to its average daily volume of 6.2 million shares. The stock has ranged in price between $48.10-$48.95 after having opened the day at $48.17 as compared to the previous trading day's close of $48.50. Walgreen Co., together with its subsidiaries, operates a network of drugstores in the United States. It provides consumer goods and services, pharmacy, and health and wellness services through drugstores, as well as through mail, and by telephone and online. Walgreen Company has a market cap of $45.3 billion and is part of the retail industry. The company has a P/E ratio of 21.3, above the S&P 500 P/E ratio of 17.7. Shares are up 31.0% year to date as of the close of trading on Monday. Currently there are 10 analysts that rate Walgreen Company a buy, 1 analyst rates it a sell, and 5 rate it a hold. TheStreet Ratings rates Walgreen Company as a buy. The company's strengths can be seen in multiple areas, such as its increase in net income, 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 has had somewhat disappointing return on equity. Get the full Walgreen Company 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.