Novartis shake-up, Pfizer-AstraZeneca report lifts pharma stocks
LONDON, April 22 (Reuters) - Shares in European drugmakers received a shot in the arm on Tuesday amid a flurry of activity, with Novartis striking a multi-billion dollar deal with GlaxoSmithKline and reports U.S. giant Pfizer had approached Britain's AstraZeneca over a deal. Pfizer and Astr
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