Sam’s Club is taking cues from Amazon’s retail strategy as consumer buying patterns change.

Add Yahoo as a preferred source to see more of our stories on Google. Irondale has officially finalized its deal with Costco, bringing the wholesale retailer to the city. Mayor James D. Stewart Jr.

Costco has a different problem: When gas prices are high, Costco sells more gas. But, because gas is among its lowest-margin products, the company’s overall profit margin gets squeezed. The opposite ...