shares of fortinet inc ftnt sank 031 to 33160 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 091 to 466897 and dow jones industrial average djia falling 089 to 3565095 fortinet inc closed 2375 below its 52week high 35535 which the company reached on november 8th despite its losses the stock outperformed some of its competitors monday as cisco systems inc csco fell 108 to 5861 and hp inc hpq fell 316 to 3528 trading volume 14 m eclipsed its 50day average volume of 968666 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