3. As of noon trading, Express Scripts ( ESRX) is down $0.89 (-1.6%) to $55.30 on light volume Thus far, 2.0 million shares of Express Scripts exchanged hands as compared to its average daily volume of 5.8 million shares. The stock has ranged in price between $55.02-$55.95 after having opened the day at $55.84 as compared to the previous trading day's close of $56.19. Express Scripts Holding Company provides a range of pharmacy benefit management (PBM) services primarily in the United States and Canada. It offers healthcare management and administration services on behalf of its clients. Express Scripts has a market cap of $45.3 billion and is part of the health services industry. The company has a P/E ratio of 30.9, above the S&P 500 P/E ratio of 17.7. Shares are up 2.3% year to date as of the close of trading on Tuesday. TheStreet Ratings rates Express Scripts as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, reasonable valuation levels, increase in net income, good cash flow from operations and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Express Scripts Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.