The rumor has been Quest and LabCorp since 2012 when a blogger posted about it on Seeking Alpha. Hardly real news which is why nothing has happened.
Rabbani and Weiner are old as dirt and probably want to hang up their shoes and spend some of that money.
Rumors of a first quarter 2018 acquisition are flying but who ends up being the (un)lucky buyer?
Quest or LabCorp?