NEW YORK, NY, 2015-9-1 — /EPR Retail News/ — Macy’s (NYSE:M) today announced the launch of a collaboration with online fashion tech start-up company Nineteenth Amendment on macys.com. The exclusive partnership will expose Nineteenth Amendment’s stable of up-and-coming designers to Macy’s Millennial shoppers who will have the opportunity to purchase garments made on demand in the USA…