Shares of Proteostasis Therapeutics Inc. (PTI) slightly recovered during today’s trading after huge drop on Monday’s session when company announced results from a phase 1 study of its cystic fibrosis (CF) treatment. BOSTON, March 25, 2019 /PRNewswire/ — Proteostasis Therapeutics, Inc. (PTI), a clinical stage biopharmaceutical company dedicated to the discovery and development of groundbreaking therapies …Read More