HRTX Acquisition: a positive outcome, +27.6%

On November 9, 2026, Heron Therapeutics, Inc. reached its Acquisition. The result was a positive outcome, and the stock moved +27.6% in the window around the event. It had already run -29.3% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.