shares of aon plc aon slid 059 to 30527 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 154 to 396394 and dow jones industrial average djia falling 145 to 3384946 the stocks fall snapped an eightday winning streak aon plc closed 3671 below its 52week high 34198 which the company reached on april 21st 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