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CHICAGO-Hitting company records for tenant sales at $437 per sf, average rent jumping 12.5%, occupancy hitting 92.5% and double-digit growth in funds for operations usually are not reasons for issuing mea culpas. However, General Growth Properties Inc. missed its own FFO target by 3% last year, finishing at $3.06 for the year.

Wall Street analysts had been just as optimistic, and the miss resulted in a drop of more than 5% in the price of General Growth Properties stock Wednesday. "I acknowledge we made mistakes in our estimates and assumptions," said chief executive officer John Bucksbaum during Wednesday's earnings conference call. "We must improve our forecasting, and we will."

Reasons for missed expectations included lower net operating income from land sales because of deals pushed into 2006, writing off $4.3 million of capital costs in developments that fell by the wayside and lack of experience with properties acquired in the 2004 deal with Rouse Co., explained chief financial officer Bernard Freibaum.