By Ben Hirschler 2 hours, 3 minutes ago LONDON (Reuters) - The world's two biggest drugmakers, Pfizer Inc (PFE.N) and GlaxoSmithKline Plc (GSK.L), both beat expectations for quarterly earnings on Wednesday, as did Wyeth (WYE.N), indicating the sector's resilience.Although all three companies face major threats from generic competition, the latest results show demand for medicines is holding up relatively well at a time of economic downturn.
"The pharma figures are quite encouraging but we shouldn't get carried away," said Justin Urquhart Stewart of Seven Investment Management in London.
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