InvestmentsTop Global NewsMarketsReal Estate EU regulators to investigate US$30 billion Aon, Willis Towers deal By financialnews_rlv83x - December 21, 2020 0 44 EU antitrust regulators opened on Monday a full-scale investigation into Aon’s US$30 billion bid for Willis Towers Watson to create the world’s largest insurance broker, concerned that the deal may reduce competition.