Amazon Prime Day officially got underway Tuesday, with the summer sales event slated to last through July 11. Competitors Target and Walmart are also holding multi-day sales events.

Amazon Prime Day is officially underway. But where's the fun in letting Amazon have all the glory? Target Circle Week kicked off Sunday, bringing huge deals across groceries, clothing, toys, and more.

Amazon.com Inc.’s Prime Day is slamming into President Donald Trump’s trade war, with ever-shifting tariffs prompting some brands to sit out the summer sale and some shoppers dropping hints they plan to pull back.