 In 1957, the building was linked to neighboring 15 Broad Street, a 42-story L-shaped tower on a limestone base that echoes 23 Wall Street's facade.In 1989, JP Morgan moved its operations to 60 Wall Street, a larger and more modern building two blocks to the east.23 Wall Street was extensively renovated in the 1990s as a training and conference facility for J.P. Morgan & Co.