Sources familiar with the project told The Journal the first new store could open at the end of 2019 and that talks are underway to add locations in Washington, D.C., Philadelphia, Chicago, San Francisco and Seattle, where the company is based.
Amazon, which at the end of January reported a quarterly profit in excess of $3 billion as revenue surged 20 percent to almost $72.4 billion, also is considering acquiring regional grocery chains.
The new grocery stores are expected to offer a variety of products at lower price points than many of those carried by Whole Foods, which, according to the company's website, has 497 locations -- 476 in the U.S., 14 in Canada, seven in the U.K. -- and employs 89,000 people.
Politicians and business leaders this week composed an open letter to CEO Jeff Bezos begging him to reconsider.
When trading concluded on Friday, Amazon's market cap was more than $821.1 billion.