Competition is heating up to sell groceries and staples to smaller communities in what Morgan Stanley described as a "$1 trillion opportunity."

Amazon.com is bringing its Same-Day and Next-Day Delivery to more communities in the U.S., extending the service to thousands of smaller towns and cities across the country.

Amazon said it's investing over $4 billion to triple the size of its delivery network by the end of 2026, with a focus on small towns and rural