shares of aon plc aon advanced 144 to 26648 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 186 to 397375 and the dow jones industrial average djia rising 198 to 3188024 the stocks rise snapped a threeday losing streak aon plc closed 7550 short of its 52week high 34198 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as moodys corp mco rose 203 to 29515 equifax inc efx rose 122 to 19698 and orix corp adr ix rose 283 to 9277 trading volume 872029 remained 224648 below its 50day average volume of 11 m 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