shares of willis towers watson plc wtw sank 057 to 23225 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 040 to 455464 and the dow jones industrial average djia rising 052 to 3541124 willis towers watson plc closed 2668 short of its 52week high 25893 which the company achieved on february 9th the stock underperformed when compared to some of its competitors monday as accenture plc cl a acn fell 048 to 31329 marsh  mclennan cos mmc rose 054 to 19247 and aon plc aon rose 049 to 34257 trading volume 537291 remained 550 below its 50day average volume of 537841 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