Pfizer prepares sweeter bid for AstraZeneca By: CNBC.com News May 01, 2014 at 14:49 PM EDT Pfizer CEO Ian Read recently met with U.K.-based investors to discuss a second bid for AstraZeneca, valuing the firm at $106 billion, sources said. Read More >> Related Stocks: Astrazeneca Plc ADR Pfizer Pt Astra International