Paroxysmal nocturnal hemoglobinuria (PNH) – the rare blood disorder characterized by premature destruction of red blood cells – found itself in the spotlight, as did shares of Omeros Corp. (NASDAQ:OMER), which closed Oct. 15 at $10.42, up $6.32, or 154%, on word of an asset purchase and license agreement with Novo Nordisk A/S for zaltenibart (formerly OMS-906).