Clovis Oncology's 45% Pre-Market Surge, Explained By: Benzinga via Benzinga June 19, 2017 at 08:21 AM EDT Shares of Clovis Oncology Inc (NASDAQ: CLVS), a biopharmaceutical company that develops an ovarian cancer drug called Rubraca ... Read More >> Related Stocks: Clovis Oncology Inc