Pfizer/AZ chase may be off as pharma deals falter By: CNBC.com News October 20, 2014 at 04:12 AM EDT At the start of the year, it looked like the pharma M&A market would get an adrenaline injection - but now, it's more like it's taken a sleeping pill. Read More >> Related Stocks: AbbVie Astrazeneca Plc ADR Pfizer Shire Plc Ads