Deal Boom Under Threat in Washington as Aon Tie-Up Dies

  • Biden targeted consolidated markets with competition order
  • Dead deals this quarter amount to a third of the year’s total
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With a new appetite for stepped-up antitrust enforcement sweeping Washington, big deals are already getting harder to do.

Aon Plc’s decision on Monday to abandon a $30 billion takeover of insurance brokerage Willis Towers Watson Plc after Justice Department pushback is the latest signal that transactions that consolidate industries could run into trouble.