The pharmaceutical industry is regaining its swagger, as companies turn to big and sometimes daring deals to expand and reshape their operations.
On Tuesday alone, pharmaceutical companies announced $74 billion worth of potential deals, including an unorthodox $45.6 billion bid for Allergan, the maker of Botox, and a flurry of swaps and sales between Novartis of Switzerland and GlaxoSmithKline of Britain.
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