Forbes blog: Talk about rolling the dice and expecting a big payoff. Sir Philip Green, the owner of Arcadia Group, parent company of Topshop, is gambling that Topshop’s latest collection, Dress Up, will have him in the chips when the retail chain’s flagship store opens in Las Vegas next March. By that time, you may well be shopping at TopShop and Topman in the Bay stores. That deal was announced earlier this year. Here.