$11 billion drugmaker Mylan and US drug giant Pfizer are teaming up to reshape Mylan’s business. 3 tough questions from Wall Street analyst show the challenging road ahead.

The drugmaker Mylan is combining with a Pfizer unit that makes off-patent drugs like Viagra. The all-stock deal wasannounced on Monday andaims to revitalize Mylan’s…

Read More $11 billion drugmaker Mylan and US drug giant Pfizer are teaming up to reshape Mylan’s business. 3 tough questions from Wall Street analyst show the challenging road ahead.