However, Carvana's stock subsequently bounced back to about $255 as of this writing. A $10,000 investment in the stock at its all-time low would be worth roughly $685,480 today. A parallel investment in Amazon on the same day would be worth $28,400.

The e-commerce business is evolving in a way that doesn't favor size, but rather, the ability to truly connect with customers.

Investors hit the sell button as Amazon's cloud unit underwhelms, raising fresh doubts about Big Tech's AI spending spree.