Walmart says it is expanding its same-day delivery options to include early morning hours. The move comes as online retailers compete to meet consumers' growing demand for speed and convenience.

Amazon plans to double the number of warehouses that are dedicated to making same-day delivery to customers. It is a strong sign that the company is more determined than ever to compete with Walmart ...

Providing same-day delivery is expensive. But it boosts multiple financial outcomes, including a solid return on investment, according to a recent survey of 150 industry leaders whose organizations ...

Retailers like Amazon, Walmart and Target have figured out that if they get you your online order today, you will probably spend more tomorrow. By Jordyn Holman Photographs by Victor Llorente This ...