Discover AbbVie's strong performance, with immunology growth and undervaluation despite challenges. Click here to read an ...

AbbVie claimed FDA approval for its JAK inhibitor Rinvoq (upadacitinib) for rheumatoid arthritis on Friday, setting its price just a little below that of its antibody blockbuster Humira.

The drugmaker expects its two immunology superstars, Skyrizi and Rinvoq, to generate about $31 billion in sales by 2027 (they should rack up about $24 billion this year). Humira's sales peaked at ...