Iron Mountain (IRM) came out with quarterly funds from operations (FFO) of $1.11 per share, beating the Zacks Consensus Estimate of $1.05 per share. This compares to FFO of $0.98 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an FFO surprise of 5.71%. A quarter ago, it was expected that this real estate investment trust would post FFO of $1 per share when it actually produced FFO of $0.99, delivering a surprise of -1%.Over the last four quarters, th ...