Marvell Stock Soars 5.8% on Raised $20B Revenue Outlook

Marvell Technology (MRVL) held its Investor Day on October 6, and the market loved what it heard. The data-center connectivity and custom AI chipmaker raised its revenue outlook for fiscal year 2028 to $20 billion, up from the $18 billion guidance it gave just two months earlier. That's a significant bump for a company that generated roughly $5.5 billion in revenue in its most recent fiscal year.

But the headline number was just the start. Management also set an ambitious target for fiscal 2031: $70 billion to $90 billion in sales, with earnings per share of $30 or more. To put that in perspective, Marvell ended fiscal 2026 with diluted EPS of $3.07. The company is essentially forecasting a tenfold increase in profitability over the next five years.

Investors responded enthusiastically. MRVL stock closed at $287.01, up 5.81% on the day. Trading volume hit 50.1 million shares, about 122% above the three-month average, indicating strong conviction behind the move.

The broader market also had a positive session. The S&P 500 rose 0.58% to 7,818.93, while the Nasdaq Composite gained 0.45% to close at 27,599.79. Among Marvell's peers, Broadcom (AVGO) climbed 3.67%, and Arista Networks (ANET) rose 4.12%, reflecting firmer sentiment across AI infrastructure names.

Earlier this year, Nvidia (NVDA) invested $2 billion in Marvell and launched an AI partnership. That deal remains a key strategic reference point for investors watching custom AI demand, and it likely added to the positive narrative around Marvell's growth prospects.

Marvell's raised guidance is more than just a numbers bump—it's a clear signal that the AI infrastructure buildout is accelerating. The company's custom chips and networking gear are critical components for AI data centers, and management's confidence suggests demand is not slowing down anytime soon.

The jump from $18 billion to $20 billion for FY2028 might seem modest at first glance, but it's a 11% increase in just two months. That kind of upward revision is rare and indicates that Marvell's customers are placing larger and longer-term orders. The FY2031 target of $70-90 billion is even more striking, implying a compound annual growth rate of roughly 30-40% from FY2028 levels.

For investors, this matters because it validates the thesis that AI is a multi-year secular trend, not a short-term fad. Marvell's custom silicon business, which designs chips tailored to specific customers' needs, is particularly well-positioned. As AI models grow more complex, the demand for specialized hardware should only increase.

The stock's reaction—up nearly 6% on heavy volume—shows that Wall Street is buying into this story. However, it's worth noting that Marvell's valuation is already rich, and the company will need to execute flawlessly to justify its lofty targets. Competition from Broadcom and others is intense, and any hiccup in AI spending could lead to a sharp correction.

Still, the fact that Nvidia, the undisputed leader in AI chips, chose to invest $2 billion in Marvell speaks volumes. It's a strong endorsement of Marvell's technology and its role in the AI ecosystem. For investors with a long-term horizon, Marvell offers a compelling way to play the AI infrastructure theme beyond the obvious names.