Chairman, CEO and President Anthony Malkin, foreground left, of Empire State Realty Trust, and Chairman Emeritus Peter Malkin, background left, applaud as their company's stock begins trading during its IPO on the floor of the New York Stock Exchange, Wednesday, Oct. 2, 2013. Empire State Realty Trust Inc., the real estate investment trust behind the Empire State Building, also manages other office buildings in the New York City area. (AP Photo/Richard Drew)