Mylan stock dropped 7% after second quarter sales slumped (MYL)

Mylan's stock dropped 7.4% shortly after markets opened on Wednesday due to poor second quarter earnings.
The company's total revenue for the second quarter was $2.8 billion, down 5% compared to last year. Sales in North America also fell 22%. 
Mylan then announced that it was going to conduct a strategic review of the company, saying it believes it is undervalued. This means the company could be broken up or sold. 
Mylan N.V. is an American pharmaceutical company regist