Retail's risky obsession with wealthy millennials

Why it matters: Wealthy millennials' exaggerated, idiosyncratic shopping habits fuel trends like meal-kits and grocery delivery. But in reality, these consumers represent a relatively small, yet powerful, piece of the market.

• According to a recent Deloitte study, high-income millennials were 24% less likely than other shoppers to shop in a store, but low and middle-income millennials behave like consumers of any other generation.

Special report: The future of retail