Chicago's Aon Center at 200 E. Randolph St., the 83-story, roughly 2.8 million-square-foot office tower that looms over Millennium Park, has been dropped back into special servicing after its owner ...

The 601W Cos., the borrower on the property, did not make a required payment for tenant improvements and leasing commissions.

The property's financial performance has significantly deteriorated, with occupancy falling to 66 percent and its valuation ...

Chicago is home to some of the country's tallest buildings. See which 10 skyscrapers top the list in the Windy City.

CHICAGO (WLS) -- Aon, a global financial risk consultant company, is planning to buy out competitor Willis Towers Watson. The deal, valued at about $30 billion, could potentially impact the name of ...

The Aon Center lost nearly half of its value since the property’s last valuation in 2018 as the prominent skyscraper struggles with increased vacancy, rising real estate taxes and a hefty loan balance ...