Russell Street in Causeway Bay, Hong Kong, one of the city’s premier shopping destinations and often in the past the one with the world’s highest commercial real-estate rents, is a shadow of its former self.Watch brand Rolex, lingerie label La Perla, skincare brand Kiehl’s and watchmaker Omega have all closed stores in the prime retail location in recent weeks, following in the footsteps of Prada, which was the first major global brand to on the street to shut up shop this year.La Perla signed…