UDR, Inc (UDR) reported first quarter 2011 FFO (fund from operations) of $56.8 million or 30 cents per share compared to $46.8 million or 28 cents in the year-earlier quarter. Funds from operations, a widely used metric to gauge the performance of REITs, is obtained after adding depreciation and amortization and other non-cash expenses to [...] (UDR) UDR Reports 2011 First Quarter Mixed Results