Façade installation is moving along on 125 West 57th Street, a 26-story commercial building on Billionaires’ Row in Midtown, Manhattan. Designed by FXCollaborative and developed by Alchemy-ABR Investment Partners and Cain International, the 420-foot-tall structure will yield 260,000 square feet with 185,000 square feet of full-floor Class A office space, a dedicated amenities floor designed by Gensler, 7,000 square…