shares of aon plc aon shed 057 to 29132 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 089 to 395725 and dow jones industrial average djia falling 063 to 3353670 this was the stocks second consecutive day of losses aon plc closed 5066 short of its 52week high 34198 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as moodys corp mco fell 540 to 29360 equifax inc efx rose 202 to 19791 and orix corp adr ix fell 175 to 7530 trading volume 579604 remained 248530 below its 50day average volume of 828134 editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use