shares of verisign inc vrsn dropped 064 to 20535 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 130 to 430046 and dow jones industrial average djia falling 094 to 3400292 verisign inc closed 2921 below its 52week high 23456 which the company reached on july 12th the stock underperformed when compared to some of its competitors monday as verizon communications inc vz rose 037 to 5450 att inc t rose 033 to 2725 and international business machines corp ibm rose 055 to 14411 trading volume 632127 eclipsed its 50day average volume of 439462 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