 To end the day, the Dow losing 533 points to 40,665. The benchmark S&P 500 fell 43 points to 5544. And the tech-heavy Nasdaq dropping 125 points to 17,871. Prime Day 2024 was one for the record books. Adobe Analytics estimates consumers spent $14.2 billion over the course of this week's two-day Amazon Prime sales event. That's up 11% from 2023.