Roborock has established itself with high-end robot vacuums but a week and a half ago, the brand launched a much more affordable alternative: the Q7 M5. The new product brings Roborock’s quality cleaning technology down to a lower price point and for Prime Day, Amazon is offering an even steeper discount.

Amazon has multiple competitive moats and paths to growth. Berkshire Hathaway remains an excellent long-term pick thanks to its diversified holdings. BYD Company is poised for tremendous growth in the electric vehicle and robotaxi markets.

Our top picks include smartwatches, tablet, noise-cancelling headphones and more.

In honor of Prime Day, Amazon is going against the norm with the first-ever price cut on Oura Ring 4: With a 15% reduction on all sizes, you can now buy the Oura Ring 4 in silver, size 10, for $297 from $349. Other sizes are also on sale, but some of them are already sold out.

Amazon has become known for many things. Many people think about it as an online seller of a wide variety of goods at low prices, its Prime subscription services, physical stores like Whole Foods, and devices like Alexa. These produce most of Amazon's sales.

To find the best deals in every category, follow all of our Prime Day coverage. Amazon’s four-day Prime Day event runs

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If you buy an Amazon Echo 8, 15, or 21, you'll also get early access to Amazon's brand-new Alexa+, an innovative new version of the virtual assistant.