The article highlights that both companies are benefiting from the high demand in the AI sector, driven by hyperscalers like Amazon, Microsoft, Alphabet, and Meta Platforms. Investors are advised to monitor the rate and magnitude of AI-related spending, as a potential slowdown could impact their top lines. Additionally, operating margin is a key metric to watch, especially when compared to peers like Nvidia, which reported over 60% operating margin in its latest quarter. AMD recently announced a multi-gigawatt infrastructure agreement with Core Scientific and expanded its relationship with Microsoft, while Marvell Technology appointed Dan Durn as its new CFO and introduced new memory infrastructure components.