UPS's (UPS) announcement that it will cut back on deliveries for its largest customer, Amazon (AMZN), sent its stock tumbling as much as 15% on Thursday. But the company says it made the change with ...

May 29 (Reuters) - United Parcel Service (UPS.N), opens new tab, the world's biggest parcel delivery firm, is in talks with several Indian state governments to make some of the tags used in tracking ...