FILE - In this July 2004 file photo King Pharmaceutical headquarters building in Bristol, Tenn. is shown. Pfizer Inc., the world's largest pharmaceutical company by revenue, said Tuesday, Oct. 12, ... more 
FILE - In this July 2004 file photo King Pharmaceutical headquarters building in Bristol, Tenn. is shown. Pfizer Inc., the world's largest pharmaceutical company by revenue, said Tuesday, Oct. 12, 2010 that it will buy pain drug maker King Pharmaceuticals Inc. for $3.6 billion in cash. less 
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Associated Press | Photo By Bristol Herald Courier, Earl Neikirk, File
Thu, Oct 14, 2010 5:52 PM EDT