Discover historical prices for AON stock on Yahoo Finance. View daily, weekly or monthly format back to when Aon plc Class A Ordinary Shares stock was. Real time Aon (AON) stock price quote, stock graph, news & analysis. Aon PLC stock price, stock quotes and financial overviews from MarketWatch. Profile · News · Analyst Estimates. ET by Victor Reklaitis. Aon Reports First Quarter Results Aon Reports First Quarter Results May. Obamacare contractors find themselves under fire with enrollments pacing well below expectations Great Eastern Holdings Ltd. Recent News Other News Press Releases For Sale: InsuranceLabor Outlook Study Jacobson and Ward Group Conduct Mid-Year U. History shows the top market performers tend to have a 95 or higher score as they launch their major moves. Kingstone Companies is currently forming a cup without handle, with a Sears, Aon, Twitter Feb. The IBD SmartSelect Composite Rating for Health Insurance Innovations HIIQ increased from 91 to 97 Friday. President Obama responds to the trouble-plagued health-care insurance exchange launch. Quote data, except U. Previous Close "Previous Close" is the previous trading day's last reported trade price during official trading hours. Company News Market Headlines Market Stream. Alphabetize the sort order of my symbols. EPS represents the portion of a company's profit allocated to each outstanding share of common stock. President Obama responds to the trouble-plagued health-care insurance exchange launch. ETFs Forex Forex Broker Comparison.