Can You Guess This Chart?

Think you know the markets? See if you can guess this company by the clues and chart below. Answer at the bottom. 

• Activist investor Starboard Value revealed a 4.6% stake, or $600 million, in this company on Sunday morning.
• Two weeks ago Martin Shkreli said he would short this stock.
• Sympathy plays include Mylan NV MYL and Endo International plc ENDP

Answer: Perrigo Company plc PRGO