Oct 25, 2012 01:36PM Analysts Raise Questions about Risk/Reward at Alexion Pharmaceuticals (ALXN)

Apr 25, 2012 09:03AM Alexion Pharmaceuticals (ALXN) High Valuation: Jefferies Says Hold, Ups Price Target

Feb 10, 2012 01:26PM Jefferies Maintains a 'Hold' on Alexion Pharmaceuticals (ALXN); Q4 Soliris Sales Beat; FY12 Sales Guidance Slightly Higher

Oct 21, 2011 09:58AM Jefferies Maintains a 'Hold' on Alexion Pharmaceuticals (ALXN); Solid 3Q11; Focus on Soliris Sales Expansion from aHUS

Jul 22, 2011 08:27AM Jefferies Lifts Price Target On Alexion Pharmaceuticals (ALXN) On Solid Q2, But Keeps Hold Rating

Oct 22, 2010 08:53AM Jefferies Downgrades Alexion Pharmaceuticals (ALXN) to Hold

Sep 22, 2010 11:00AM Notable Analyst Rating Changes 09/22: VVUS, BAX, ALXN, DLB Upgraded; ADBE, NOK, PMCS, SOHU Downgraded

Apr 23, 2009 10:07AM David Moenning's Daily State of the Markets: 4/23

Oct 23, 2008 10:07AM David Moenning's Daily State of the Markets: 10/23

Jul 29, 2008 09:32AM Pre-Open Movers 7/29: U.S. Steel (X) Up on Strong Results; Zoran (ZRAN) Lower on Results/Guidance

May 14, 2008 07:35AM Jefferies & Co Initiates Coverage on Alexion Pharmaceuticals (ALXN) with a Buy