shares of aon plc aon slid 065 to 31995 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 010 to 410911 and the dow jones industrial average djia rising 030 to 3358652 the stocks fall snapped a sevenday winning streak aon plc closed 2203 short of its 52week high 34198 which the company achieved on april 21st trading volume 505683 remained 379714 below its 50day average volume of 885397 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