Back for more: Will Pfizer top its AstraZeneca bid? By: CNBC.com News November 26, 2014 at 03:34 AM EST Pfizer's $110 billion bid for AstraZeneca was one of the biggest business stories of 2014 - so could a new bid be one of the biggest stories in 2015? Read More >> Related Stocks: Actavis Plc Astrazeneca Plc ADR Merck & Co Pfizer