Insmed Catapults 34%, Leading A Biotech Rally. But Mirum Takes A Bath.
Insmed (INSM) stock led a biotech rally Thursday, catapulting 30% on solid second-quarter sales for its new lung disease drug, Brinsupri. First, Brinsupri ā a treatment for non-cystic fibrosis bronchiectasis ā walloped sales expectations, generating $309.2 million vs. forecasts for $276.6 million, according to FactSet. Then, Insmed raised its guidance for the drug this year…
