Same-day grocery delivery explodes to 2,300 cities, sending shockwaves through Walmart, Kroger, and food delivery stocks.

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Even with 74,000 personal shoppers and its recently launched Express Delivery service, Walmart has faced challenges keeping up with demand as consumers escalate both their online ordering and their expectations for faster home delivery. To ramp up capacity for same-day delivery, Walmart has struck a deal with Instacart to pilot home delivery in Los Angeles, […]

The online grocery company soared the last time Amazon leveled a major challenge to its business. How will it respond to the latest salvo?

Instacart will deliver groceries, alcohol, household essentials and more from Walmart in as little as an hour. This is the first time Walmart’s main U.S. stores have offered Instacart delivery.

On Instacart, you’re not limited to a single retailer, the way you are with Walmart’s service. Instacart Express works with tons of your favorite grocery stores—Aldi, Big Lots, Hy-Vee ...

Amazon AMZN will broaden its grocery delivery offering to reach more than 2,300 cities and towns in the U.S. by the end of the year, the e-commerce giant said Wednesday. Amazon stock gained while shares of a rival, Instacart parent company Maplebear CART, fell sharply.

Amazon's (NASDAQ:AMZN) aggressive push to expand same-day grocery deliveries to over 3,300 cities in the U.S. has caught the attention of traders. Notably, customers will be able to order perishable items such as produce,