Vertex Pharmaceuticals Just Lost a Potential Rival. Is the Stock a Buy?
Vertex Pharmaceuticals (NASDAQ: VRTX) is the global leader in cystic fibrosis (CF) treatment. The company is known for its combination therapies targeting a defective protein that causes the disease's devastating symptoms. AbbVie (NYSE: ABBV) had shepherded its own combination-therapy candidate -- also targeting the defective protein -- into phase 2 studies.