At least 18 biotechs and pharmas are slated to report earnings this week. Alexion Pharmaceuticals Inc. (NASDAQ:ALXN), Celgene Corp. (NASDAQ:CELG), The Medicines Co. (NASDAQ:MDCO) and Shire plc (LSE:SHP; NASDAQ:SHPG) are all expected to report double-digit EPS growth on revenue increases of 10% or more. Revenues for Alexion, which markets Soliris eculizumab for rare blood disorders, are expected to jump 34% to $395.3 million. Celgene's top line is expected to increase 15% to $1.6 billion