Ten percent. Gone in a day. That was the verdict investors handed UPS and FedEx on Monday after Amazon announced it would fling open its entire logistics operation — freight, warehousing, fulfillment, parcel delivery — to any business willing to pay.

Both carriers closed down roughly 10%. Amazon’s share price barely budged. The message was unambiguous: markets think Amazon can eat their lunch.

The new offering, called Amazon Supply Chain Services (ASCS), is explicitly modeled on the playbook that produced AWS. Amazon built world-class infrastructure to serve itself, realized it had excess capacity and competitive advantage, and started selling access to everyone else. Peter Larsen, vice president of ASCS, made the comparison directly, saying Amazon is “bringing the infrastructure, intelligence, and scale of its supply chain services—proven over decades—to businesses everywhere, much like Amazon Web Services did for cloud computing.”

The evidence that the model scales is real, if self-selected. Since 2006, independent sellers have shipped more than 80 billion units through Fulfillment by Amazon. Over the past three years, hundreds of thousands of those sellers used Amazon’s logistics across third-party facilities and non-Amazon sales channels. Amazon says sellers using its end-to-end supply chain solutions see nearly 20% higher sales.

Now the client list includes Procter & Gamble, 3M, Lands’ End, and American Eagle Outfitters — hardly small-fry test cases. P&G is using Amazon freight to move raw materials to its own production facilities. American Eagle is using Amazon’s parcel network to ship orders from its own website directly to customers.

The AWS analogy is seductive but imperfect. Cloud infrastructure is standardized — compute is compute. Logistics is physical, idiosyncratic, and constrained by geography, labor, and last-mile reality. Amazon has more than 100 cargo aircraft and a sprawling warehouse footprint, but so do UPS and FedEx, along with decades of relationships with enterprises that may not be eager to hand their supply chain to a company that also competes with them for retail customers.

Still, Monday’s stock reaction suggests investors aren’t betting on loyalty. They’re betting on price, scale, and the demonstrated willingness of Amazon to enter a market and compress everyone else’s margins until they break. UPS and FedEx didn’t comment. They may not need to — their stock charts said enough.

Sources