Aon has announced a definitive agreement to acquire USI Insurance Services from KKR and other shareholders for approximately $17 billion to expand its U.S. middle-market presence. The transaction is expected to deliver $395 million in annual synergies and become accretive to adjusted earnings per share by 2028. Following the announcement, Aon's shares declined by 9.53% to $321.52 due to investor uncertainty regarding the acquisition. Despite the stock drop, Wells Fargo analysts set a new price target of $383, suggesting a potential upside of 19%.