'Little business people': How Pokémon turned kids into dealmakers

New York City's Bleecker Trading is a hot spot for Pokémon collectors of all ages looking to build portfolios. With card values on the rise, Pokémon cards have become an alternative asset class. Lucía Vázquez for BI In the back corner of hobby shop Bleecker Trading on Manhattan's Upper West Side, three teenagers were huddled around a table. It was spring break, and they were spending their afternoon wheeling and dealing Pokémon cards. "I come here every day after school," Mason, a 13-year-ol...