shares of equifax inc efx shed 300 to 28400 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 064 to 479656 and the dow jones industrial average djia rising 068 to 3658506 equifax inc closed 1611 below its 52week high 30011 which the company reached on december 13th the stock underperformed when compared to some of its competitors monday as fidelity national information services inc fis rose 433 to 11388 fiserv inc fisv rose 369 to 10762 and automatic data processing inc adp fell 104 to 24401 trading volume 574682 remained 135511 below its 50day average volume of 710193 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