3+ day, 2+ min ago  (173+ words) YONKERS, N. Y. " Marx Realty is underway on construction of a 58, 000-square-foot retail expansion project in Yonkers, located just north of New York City. The project will add two new buildings totaling 14, 000 and 44, 000 square feet to Cross County Center, a 1. 2 million-square-foot development…...