Tesaro Inc.'s stock price more than doubled on June 29 after the company reported positive progression-free survival (PFS) data for its PARP inhibitor niraparib in the Phase III NOVA clinical trial, which tripled PFS for some women with ovarian cancer compared with placebo – a result that lifted the values of competing firms.
Waltham, Massachusetts-based Tesaro closed 108% higher at $77.40 per share after the company revealed its plan to submit a new...






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