Amazon extends Prime Day to four days and moves it up a week to get in front of tariffs. Walmart and Target plan competing sales events to capitalize on consumer worries.

Amazon, Walmart, and Target are battling for shoppers this July, offering major deals ahead of looming tariffs.

Not to be outdone by Amazon, Walmart is holding a rival Prime Day sale that'll run longer with big deals on almost everything. Here's everything you need to know about the six-day sale.