 KKR Co. Inc. KKR, 2.64 and Wells Fargo Co. WFC, 1.51 are interested in adding more office space at Hudson Yards on the western edge of Midtown Manhattan, The Wall Street Journal reported Tuesday. For KKR, a potential expansion would add to a 500 million investment disclosed in October to buy a majority stake in the observation deck of the flagship office tower in the development. 