Top-line results from Bridgebio Pharma Inc.’s ongoing phase III study of acoramidis are no holiday gift for the company. The clinical trial for treating symptomatic transthyretin amyloid cardiomyopathy missed its primary endpoint. The Palo Alto, Calif.-based company’s stock (NASDAQ:BBIO) plunged on the news as shares closed 72% lower Dec. 27 at $11.38 each.