Over the last two years, the city of Minneapolis has suffered through the worst market for downtown office space in a decade. The vacancy rate has jumped from 10 percent in 2000 to 23.1 percent at the end of last year, according to a recent report by United Properties. Rental rates have hardly fared better, falling from a peak of $15.14 per square foot for Class A buildings in 2001 to $13.69 last year--a 10 percent drop. Even the value of downtown office buildings, as assessed by the city, has declined slightly. The latest hit occurred earlier last month when NRG Energy, emerging from bankruptcy, announced that it was vacating six floors of the AT&T Tower and moving its headquarters to... More >>>