1. As of noon trading, Alexion Pharmaceuticals ( ALXN) is down $2.22 (-2.4%) to $90.38 on heavy volume Thus far, 1.6 million shares of Alexion Pharmaceuticals exchanged hands as compared to its average daily volume of 1.9 million shares. The stock has ranged in price between $88.86-$93.17 after having opened the day at $92.61 as compared to the previous trading day's close of $92.60. Alexion Pharmaceuticals, Inc., a biopharmaceutical company, engages in the development and commercialization of life-transforming therapeutic products. Alexion Pharmaceuticals has a market cap of $17.9 billion and is part of the health care sector. The company has a P/E ratio of 71.9, above the S&P 500 P/E ratio of 17.7. Shares are down 1.8% year to date as of the close of trading on Friday. TheStreet Ratings rates Alexion Pharmaceuticals as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, expanding profit margins, good cash flow from operations and impressive record of earnings per share growth. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Alexion Pharmaceuticals 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. If you are interested in one of these 5 stocks, ETFs may be of interest. Investors who are bullish on the drugs industry could consider SPDR S&P Pharmaceuticals ETF ( XPH) while those bearish on the drugs industry could consider ProShares UltraShort Nasdaq Biotech ( BIS). A reminder about TheStreet Ratings group: 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.