Though FFO is widely considered to be the most popular method of quantifying a real estate firm's profitability, it's important to remember that FFO can often be susceptible to manipulation, accounting changes and restatements. Nevertheless, FFO remains the industry standard in determining investment-trust profitability for shareholders. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.