At least 17 biotechs and pharmas are slated to report earnings this week. Four big biotechs - Alexion Pharmaceuticals Inc. (NASDAQ:ALXN), Amgen Inc. (NASDAQ:AMGN), Biogen Idec Inc. (NASDAQ:BIIB) and Celgene Corp. (NASDAQ:CELG) - are expected to post double-digit increases in EPS on strong revenue growth of 8% or higher.

Specialty pharma Forest Laboratories Inc. (NYSE:FRX), along with big pharmas AstraZeneca plc (LSE:AZN; NYSE:AZN