New Delhi, Jan. 30 -- Shares of United Parcel Service (UPS) tumbled as much as 14% in premarket trading in New York on Thursday after the courier forecast 2025 revenue much below Wall Street expectations.

The Atlanta-based company forecast revenue of $89 billion for this year, compared with the analysts expectation of $94.9 billion.

The company said its 2024 revenue came in at $91.1 billion.

Its fourth quarter earnings stood at $2.75 a share.

Package volumes have fallen from pandemic-era peaks as companies and retail consumers rely less on parcel shipments. Some customers also have traded down from premium to economy services, cutting into the company's earnings.

UPS said it had reached an agreement with its largest customer - widely...