UPS is continuing to withdraw from its business relationship with Amazon. By the second half of 2026, UPS said it will cut its shipping volumes for Amazon by more than 50 percent under the companies' revised arrangement.

UPS stock is lower after announcing that Amazon, its largest customer, will slash its volume by more than 50% by late 2026. Here's what you need to know.

UPS projected a decline in revenue for the current year, with a key factor being plans to phase out more than half of the business it does with Amazon over the next 18 months.