The ticker symbol for AstraZeneca is displayed next to a ticker for Pfizer on the floor of the New York Stock Exchange April 28, 2014. U.S. drugmaker Pfizer Inc is working on its next move in a ... more 
The ticker symbol for AstraZeneca is displayed next to a ticker for Pfizer on the floor of the New York Stock Exchange April 28, 2014. U.S. drugmaker Pfizer Inc is working on its next move in a potential $100 billion bid to take over Britain's AstraZeneca Plc after two earlier bids were rejected. REUTERS/Brendan McDermid (UNITED STATES - Tags: BUSINESS HEALTH) less 
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Reuters | Photo By BRENDAN MCDERMID / REUTERS
Mon, Apr 28, 2014 11:04 AM EDT