In March 2020, Aon Plc agreed to buy Willis Towers Watson Plc in an all-stock deal valued at almost $30 billion, the largest ever for the P&C insurance industry. (Photo: Brent Lewin/Bloomberg)
The U.S. Justice Department sued to block Aon Plc's proposed $30 billion acquisition of Willis Towers Watson (WTW), saying the deal to create the world's largest insurance brokerage is anticompetitive.
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