FedEx Corp.’s retreat from handling packages for Amazon.com Inc. signals that the lines are being drawn in the battle over surging e-commerce shipments.

FedEx Corp. is ending its ground-service delivery contract with Amazon.com, a sign the delivery giant is pulling away from the largest U.S. e-commerce company and focusing on other clients in the market, such as Walmart and Walgreens.

Amazon said Aug. 6 that its six-wheeled self-driving robots, about the size of a smaller cooler, will begin delivering packages to customers in Irvine, Calif., after testing them in a suburb of Seattle earlier this year.

Amazon.com’s last bear has given up. Allen Gillespie came into this week the only one of 55 financial analysts tracked by Bloomberg with a “sell” rating on the company’s shares. In a note to clients July 30, he upgraded the retail and technology giant to “hold.”

SEATTLE — A theft ring in Washington state sold millions of dollars’ worth of stolen goods on Amazon.com in the past six years, and a pair of Amazon delivery drivers was involved, recently unsealed federal court documents show.

EBay Inc. sued three employees working at e-commerce rival Amazon.com, alleging that they conspired with dozens of other workers to fraudulently take high-value online merchants from eBay.

A trade association representing wholesale distributors is pressuring lawmakers not to approve increased government spending on a highly lucrative e-commerce contract the group says favors Amazon.com.

Amazon.com’s results were marred by a surge in costs tied to its one-day delivery push, worrying investors who had grown accustomed to almost two straight years of fattening profits.

The effects of Amazon.com’s one-day shipping push on profitability and sales will be watched closely when the e-commerce giant reports earnings July 25.

Amazon.com Inc. is in talks to rent space at Brooklyn’s Industry City for a new logistics facility, according to a person with knowledge of the matter.