shares of aon plc aon shed 013 to 32895 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 047 to 438871 and dow jones industrial average djia falling 072 to 3405387 this was the stocks second consecutive day of losses aon plc closed 932 below its 52week high 33827 which the company achieved on may 12th 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