| http://www.w3.org/ns/prov#value | - Drugmaker Pfizer said Tuesday that fourth-quarter profit plunged 59 percent because of discontinued operations, restructuring and other charges, and generic competition continuing to siphon off revenue from former blockbuster medicines.Despite a 3 percent revenue decline caused by those pressures and unfavorable currency exchange rates, Pfizer easily topped Wall Street's modest expectations.Pfizer
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