Ruth Monika Parasol is the largest stakeholder in which former largest publicly traded gamblig firm?
Ruth Parasol:  Parasol is the single largest individual stakeholder of Bwin.Party Digital Entertainment. Bwin.Party Digital Entertainment:  Formerly the world's largest publicly traded online gambling firm, it was best known for its online poker room PartyPoker, World Poker Tour and its sports betting brand bwin (officially styled "bwin").
Bwin.Party Digital Entertainment