A sign hangs above the Trussardi SpA store in Milan, Italy, on Tuesday, Aug. 25, 2015. Brands are joining department stores and publishers in offering designer clothing, handbags and accessories online, seeking to capture sales which brokerage Sanford C. Bernstein predicts will grow at more than twice the pace of the overall luxury market through 2019. Photographer: Chris Ratcliffe/Bloomberg via Getty Images