shares of aon plc aon advanced 264 to 28710 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 096 to 380680 and the dow jones industrial average djia rising 131 to 3282700 this was the stocks second consecutive day of gains aon plc closed 5488 short of its 52week high 34198 which the company reached on april 21st the stock outperformed some of its competitors monday as moodys corp mco rose 210 to 26439 equifax inc efx rose 163 to 16575 and orix corp adr ix fell 713 to 6887 trading volume 593700 remained 228177 below its 50day average volume of 821877 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