Rundown: Gopuff's cash burn, Equinox's new membership & Sweetgreen beef

On this week’s Modern Retail Rundown: The Information reported that Gopuff lost $400 million last year in its quest to grow revenue. Equinox launched a new health and wellness program that costs $40,000 a year and promises members lifelong health. Meanwhile, Sweetgreen has upset fans by getting rid of arugula the same week it introduced steak to its menu.