I think the investor disappointment was more on the international performance in the second quarter for Humira than it was on Hep C.
As A Abbott Shareholder I would be disappointed if Abbott showed their hand before all the bids are in and the best offer is presented.
Mylan is buying PRGO, not Abt. Abt just happens to be the largest shareholder of Mylan and Abt agrees with Mylan's purchase of PRGO.
Sounds like good new for Hillary.