shares of motorola solutions inc msi slid 164 to 26823 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 179 to 399884 and dow jones industrial average djia falling 140 to 3394710 motorola solutions inc closed 693 below its 52week high 27516 which the company achieved on december 1st trading volume 527412 remained 253281 below its 50day average volume of 780693 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