Amazon (AMZN) stock rose in extended-hours trading after its first-quarter earnings topped Wall Street estimates.

CFRA Research Senior Equity Research Analyst Arun Sundaram credits the success to innovations in Amazon's e-commerce division driving improved retail margins, as well as AWS's position as a powerhouse among other cloud computing competitors.

He also highlights the company's artificial intelligence initiatives, telling Julie Hyman and Josh Lipton that Amazon has a "very compelling stack of generative AI products and services" that are being reflected in its stock prices.

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This post was written by Melanie Riehl