Wall Street Zen cut shares of AON (NYSE:AON – Free Report) from a hold rating to a sell rating in a research note released on Saturday. Finally, Weiss Ratings restated a “hold (c)” rating on shares of AON in a research note on Friday, July 17th. Get AON alerts:Read Our Latest Report on AONAON Stock PerformanceNYSE AON opened at $357.88 on Friday. In the last ninety days, insiders have sold 4,450 shares of company stock worth $1,659,242. Wealth Watch Advisors INC purchased a new stake in shares of AON in the 3rd quarter valued at about $25,000.