Uber and DoorDash bet on higher earners. It's paying off big.

Source: Business Insider

High-income consumers buoyed quarterly results at Uber, DoorDash, and Instacart. Bloomberg/Getty ImagesUber, DoorDash, and Instacart targeted high-income consumers — and boosted their quarterly earnings. Their latest offerings, from hotel booking to coffees in an Uber Black, take aim at affluent users.