Why Vertex Pharmaceuticals Stock Is Slumping Today

George Budwell, The Motley Fool
·2-min read
Why Vertex Pharmaceuticals Stock Is Slumping Today
Why Vertex Pharmaceuticals Stock Is Slumping Today

What happened Shares of rare-disease specialist Vertex Pharmaceuticals (NASDAQ: VRTX) fell by as much as 15.7% in pre-market trading Thursday morning. The biotech's stock is under pressure today due to a worrying safety signal observed in a midstage trial for the small-molecule drug VX-814 as a potential treatment for alpha-1 antitrypsin deficiency (AATD).