Amazon Prime Day results were mixed with web traffic down but growth estimates up 4.9%. Year-to-date consumer momentum ...

Prime Day is now an industry-wide retail showdown—and Amazon’s biggest rivals, led by Walmart, are gaining ground both online and in stores.

U.S. online retail sales from the first day of Amazon Prime Day climbed 10% year-over-year to reach $7.9 billion.

Though Amazon Prime Day doesn't officially kick off until July 8, you can shop big savings already on brands like Apple, Dyson, Shark and more.