shares of aon plc aon rose 243 to 29220 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 105 to 434572 and the dow jones industrial average djia rising 092 to 3431467 aon plc closed 1013 below its 52week high 30233 which the company achieved on september 23rd the stock demonstrated a mixed performance when compared to some of its competitors tuesday as moodys corp mco rose 162 to 35538 equifax inc efx rose 201 to 25850 and orix corp adr ix rose 292 to 9695 trading volume 10 m remained 746789 below its 50day average volume of 18 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