Pharmaceutical Shares of US drugmaker Vertex Pharmaceuticals jumped 8.4% to $475.00 in after-hours trading yesterday after it announced that the US Food and Drug Administration (FDA) has approved Journavx (suzetrigine), an oral, non-opioid, highly selective NaV1.8 pain signal inhibitor for the treatment of adults with moderate-to-severe acute pain. 31 January 2025