UPS Buys Assets of Stamps.com’s IShip Unit

United Parcel Service Inc. bought the assets of Stamps.com’s Internet shipping service and plans to expand use of IShip.com Inc. in Mail Boxes Etc. stores.

Santa Monica Web postage provider Stamps.com said it sold the assets of IShip.com for an undisclosed cash sum to focus on mailing and deliveries for small businesses and home offices. The unit lets customers compare rates from shippers such as UPS and FedEx Corp., print shipping labels and arrange for package pickup from a Web site.

Stamps.com shares rose 14 cents to close at $3.18 in Nasdaq trading. Atlanta-based UPS shed 15 cents to $59.88 on the NYSE.