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. NEW YORK ( TheStreet) -- Walgreen Company (NYSE: WAG) hit a new 52-week high Tuesday as it is currently trading at $48.24, above its previous 52-week high of $48.18 with 3.9 million shares traded as of 2:46 p.m. ET. Average volume has been 6.7 million shares over the past 30 days. Walgreen has a market cap of $44.54 billion and is part of the services sector and retail industry. Shares are up 28.8% year to date as of the close of trading on Monday. 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. The company has a P/E ratio of 21, above the S&P 500 P/E ratio of 17.7.