shares of aon plc aon advanced 288 to 27559 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 259 to 367843 and the dow jones industrial average djia rising 266 to 2949089 the stocks rise snapped a twoday losing streak aon plc closed 6639 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 319 to 25087 equifax inc efx rose 111 to 17334 and orix corp adr ix rose 273 to 7260 trading volume 635052 remained 153854 below its 50day average volume of 788906 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