GameStop, the used video game retailer that’s become increasingly associated with other kinds of speculative investments, wants to cash in on the resurgent card collecting craze — staffers have told Pokébeach, Polygon, and The Verge that stores will begin buying and selling rare Pokémon cards, and possibly other cards, as soon as next week.
GameStop apparently doesn’t want just any cards, though: employees across multiple states say they’ll only be buying cards that have already…