Biggest IPO since Facebook tests Pfizer strategy Bloomberg News, Daily Business Review February 4, 2013 | 0 Comments share share on linkedin Facebook share on twitter share on google+ Share With Email Send Thank you for sharing! Your article was successfully shared with the contacts you provided. print reprints Pfizer Inc. is taking its animal-health unit public in the biggest U.S. initial offering since Facebook Inc., a bet that growing affluence means more spending on caring for livestock and pets. VIEW COMMENTS ( 0 ) ADD COMMENT What's being said Sign In Terms & Conditions Comments are not moderated. To report offensive comments, click here. Preparing comment abuse report for Article #1202586652317 Send Thank you! This article's comments will be reviewed.