AbbVie Inc.'s newest treatment for hepatitis C was a big contributor to the company's expectation-busting first quarter earnings, but even with up to $3.5bn in annual sales Mavyret won't fill the revenue hole caused by the launch of biosimilars for the mega-blockbuster Humira.
In the near term, AbbVie's strong first quarter results and its plan to buy back $7.5bn worth of its stock...








