Dublin, Ireland-based Aon plc (AON) operates as a professional services firm with clients in over 120 countries across the globe. With a market cap of $78.9 billion, Aon’s offerings include risk management services, insurance and reinsurance brokerage, human resource consulting, and outsourcing services. Companies worth $10 billion or more are generally referred to as “large-cap stocks.” Aon fits right into that category, with its market cap exceeding the threshold, reflecting its substantial size, influe ...