A woman walks past the Pfizer Inc. headquarters in New York in this January 31, 2013 file photo. Pfizer Inc reported better-than-expected third-quarter earnings on October 29, 2013, helped by cuts in ... more 
A woman walks past the Pfizer Inc. headquarters in New York in this January 31, 2013 file photo. Pfizer Inc reported better-than-expected third-quarter earnings on October 29, 2013, helped by cuts in costs and growing sales of recently approved cancer medicines. REUTERS/Brendan McDermid/Files (UNITED STATES - Tags: BUSINESS HEALTH) less 
1 / 29
Reuters | Photo By Brendan McDermid / REUTERS
Tue, Oct 29, 2013 11:12 AM EDT