It has cut about 2 million pieces a day of lower-yielding Amazon volume, and investors want to see what the smaller network earns.

UPS shares tumbled on Thursday after the shipping giant said it would slash Amazon deliveries by more than half. CEO Carol Tome said the move would "put us further down the path to become a more ...

UPS has invested heavily in adding new capabilities and digital tools over the past few years, as commerce has become more ...