Walmart has opened up a new $300 million distribution center in Davenport, FL, with two buildings totaling more than 2 million square feet.

Amazon is planning a 438,150-square-foot sortation center in Chicago, near its fulfillment centers in Joliet and Romeoville, IL, and others opening this year in Aurora and Monee, IL. It also plans to occupy an existing warehouse in Shelby Township, MI, outside Detroit, and is creating a…