NEW YORK — Walmart may be bruised by Amazon, but it’s learning how to fight back.

Buffett’s Berkshire Hathaway Inc. has sold its last Walmart Inc. shares, according to a filing Nov. 14, ending a relationship that dates more than two decades.

Ford Motor Co. is teaming with Walmart Inc., the world’s largest retailer, to lay the groundwork for a driverless grocery delivery service.

Walmart Inc. is narrowing the online price gap with low-cost leader Amazon.com and is beating the world’s biggest e-commerce company on prices for baby products, according to a new study.

Look out, Amazon: Walmart is coming to steal your lunch — and maybe dinner too. The world’s largest retailer has surpassed the e-commerce giant in a survey of online food shoppers, more of whom said they most recently visited Walmart’s site for groceries.

OAKLAND, Calif. — Representatives from UPS Inc. and Walmart Inc., two of the country’s largest fleets, said electric vehicles can provide environmental, economic and community benefits, which make efforts to work through challenges surrounding duty cycle, charging infrastructure and cost worthwhile.

Walmart Inc. is building a high-speed grocery warehouse to solidify its position as the nation’s biggest grocer.

Diversified carrier Smith Transport Inc. announced it has been selected as the on-site transportation provider for the Walmart Inc. distribution center in Bedford, Pa.

Walmart Inc., pinched by the worsening shortage of truckers, plans to double its spending on attracting and retaining drivers by year-end.

Walmart Inc. bounced back from a lackluster start to the year with the strongest sales gain in more than a decade fueled by its grocery business, brightening the outlook for the overall retail sector. The stock jumped as much as 11%, the most intraday since October 2008.