What Happened?

Shares of networking chips designer Marvell Technology (NASDAQ: MRVL) jumped 21% in the afternoon session after the company reported fourth-quarter revenue that beat Wall Street estimates and provided a strong sales forecast for the upcoming quarter. 

For its fourth quarter of calendar year 2025, Marvell posted revenue of $2.22 billion, up 22.1% year-on-year, which narrowly beat analyst expectations. The company's adjusted earnings per share of $0.80 was in line with consensus estimates. The main driver for the positive investor reaction appeared to be the company's optimistic outlook for the first quarter of 2026. Management guided for revenue of $2.4 billion at the midpoint, significantly above the $2.28 billion analysts had anticipated, suggesting continued strong demand for its chips used in data centers and communication networks.

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What Is The Market Telling Us

Marvell Technology’s shares are extremely volatile and have had 35 moves greater than 5% over the last year. But moves this big are rare even for Marvell Technology and indicate this news significantly impacted the market’s perception of the business.

The biggest move we wrote about over the last year was about 1 year ago when the stock dropped 18.5% on the news that the company reported weak fourth quarter 2024 results. its inventory levels materially increased and its EBITDA missed. Sales were up a solid 27% year over year, thanks to a monster 78% jump in its data center segment. But outside of that, things got a little rough. Enterprise networking and carrier infrastructure took a hit, which dragged down overall momentum. So while AI is giving the company a big boost, its more traditional infrastructure business faced some real headwinds. Overall, despite solid earnings, the quarter revealed a business still navigating uneven performance across its segments​.

Marvell Technology is up 3% since the beginning of the year, and at $92.12 per share, it is trading close to its 52-week high of $100.20 from December 2025. Investors who bought $1,000 worth of Marvell Technology’s shares 5 years ago would now be looking at an investment worth $2,299.

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