After starting small, Avalon Exchange stores branch out with successful formula

After starting small, Avalon Exchange stores branch out with successful formula
Imagine a store where Prada shoes and vintage polos intermingle in the aisles. Or a place to purchase low-key Gap jeans and a high-end Max Mara top — for less than 50 bucks. Retail entrepreneur Stuart McLean turned this vision in the late 1980s into [...]

Question about Stockholders on the New York Stock exchange.?

There is a tradition that on their way to the trading floor, from the dining room, stockholders on the New York stock exchange must do something?
Can someone tell me what they have to do before they make their way to the trading floor?