A man walks past Pfizer's world headquarters in New York in this file photo taken April 28, 2014. Pfizer Inc, which in May officially abandoned its bid to buy British rival AstraZeneca Plc, reported ... more 
A man walks past Pfizer's world headquarters in New York in this file photo taken April 28, 2014. Pfizer Inc, which in May officially abandoned its bid to buy British rival AstraZeneca Plc, reported higher-than-expected second-quarter earnings, helped by growing sales of its cancer medicines. REUTERS/Andrew Kelly/Files (UNITED STATES - Tags: BUSINESS HEALTH) less 
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Reuters | Photo By ANDREW KELLY / REUTERS
Tue, Jul 29, 2014 10:35 AM EDT