Pfizer’s Zoetis unit off to a flying start
Shares of drugmaker’s animal health business soar 19% in market debut
By LINDA A. JOHNSON
AP Business Writer
Shares of Pfizer’s animal health business, Zoetis, surged in their trading debut Friday after the company’s initial public offering of stock raised $2.2 billion— the largest IPO by a U. S. company since Facebook Inc. raised $16 billion last...
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