U.S. online shoppers shelled out $7.9 billion across all retailers on the first day of Amazon's four-day Prime Day sale, up nearly 10% from last year, per Adobe data. Why it matters: Prime Day is more than just a summer shopping event — it's a pulse check on U.

Walmart has launched its own summer sale event to counter Prime Day. Only some deals are actually worth grabbing.

Looking to make your workday smarter? Find discounted prices on smart home hubs and name-brand phones with generative AI this week.