Amazon (AMZN) stock rose Wednesday after the tech giant offered updates for two key areas of its e-commerce operations: AI-powered devices and grocery delivery. The offering is a combination of Amazon's existing Amazon Fresh and Happy Belly brands, the company noted in a news release. Meanwhile, Amazon on Tuesday announced a series of new Amazon Echo and Kindle e-reader products, each infused with a version of the company's Alexa+ generative AI assistant. Amazon Stock: Near 200-Day Moving AverageAmazon stock was ahead 1% at 221.90 in recent action on the stock market today. Mizuho analyst Lloyd Walmsley initiated coverage of Amazon stock on Tuesday with an outperform, or buy, rating and a price target of 300.