shares of iron mountain inc irm slid 042 to 4795 thursday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 095 to 379573 and the dow jones industrial average djia rising 064 to 3067736 the stocks fall snapped a threeday winning streak iron mountain inc closed 1066 below its 52week high 5861 which the company reached on april 21st the stock underperformed when compared to some of its competitors thursday as fiserv inc fisv rose 041 to 8973 automatic data processing inc adp rose 153 to 21058 and equifax inc efx rose 087 to 18234 trading volume 15 m remained 104390 below its 50day average volume of 16 m 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