Pfizer plans to raise $31 bln from debt offering to finance Seagen takeover
May 16 (Reuters) - Pfizer Inc PFE.N said on Tuesday it plans to raise $31 billion from a debt offering to finance its proposed acquisition of Seagen Inc SGEN.O . (Reporting by Kanjyik Ghosh in Bengaluru) ((Kanjyik.Ghosh@thomsonreuters.com))