Black-car rides, paid memberships, and other offerings for affluent consumers are paying off for Uber, Instacart, and other gig-based services. Despite rising gas prices and consumers trimming their budgets, many people are still spending on ride-hailing and food delivery, according to companies' latest earnings results. Uber, DoorDash, and Instacart largely beat quarterly expectations this week and saw their stocks lift. "We're definitely seeing that not all consumers are under pressure," said