How StockX built a $1 billion sneaker resale empire

This is StockX, a stock market for all kind of things. You can buy or sell items like a pair of Jordan 5 Retro Trophy Room sneakers, a Supreme Box Logo hooded sweatshirt, a Hermes Birkin Himalayan Crocodile in matte or a Rolex Oyster Perpetual watch. Here's how StockX went from a simple price guide for sneakers to a reselling empire.