Blackstone boosts footprint at 345 Park Ave. with massive lease expansion

Blackstone’s imminent deal to expand by 250,000 square feet at its global headquarters, Rudin Management’s 345 Park Avenue, is a robust indicator on two playing fields: Park Avenue and the world. Blackstone, the mighty asset manager led by Stephen Schwarzman, is the world’s largest commercial real estate owner. Its continued expansion in the face of economic...