 She needs to answer those questions, and we thought we might have a chance to discuss them with her last night. Instead, she chose to run away. Cheeto will testify before lawmakers this Monday. Online spending in the U.S. surged 11% year over year to $14.2 billion during Amazon's 48-hour Prime Day event. That is according to Adobe Analytics. These figures not only top estimates, but also set a spending record for the retail giant's two-day event.