AMRX PDUFA decision: a positive outcome, +8.9%

On December 26, 2018, Amneal Pharmaceuticals, Inc. reached its PDUFA decision. The result was a positive outcome, and the stock moved +8.9% in the window around the event. It had already run -29.4% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.