Why Marvell Technology (MRVL) Stock Is Up Today

Why Marvell Technology (MRVL) Stock Is Up Today

Shares of networking chips designer Marvell Technology MRVL jumped 10.3% in the morning session after S&P Dow Jones Indices announced the chipmaker will be added to the S&P 500 index.

The inclusion, which takes effect on June 22, is a significant development because it prompts index-tracking funds to purchase the company's shares, creating automatic demand for the stock.

The positive news followed recent high-profile praise from NVIDIA's CEO, Jensen Huang, who referred to Marvell as a potential future "trillion-dollar company." Huang highlighted Marvell's networking and connectivity chips as playing a critical role in AI data centers, where processors must rapidly exchange vast amounts of data.

Marvell Technology’s shares are extremely volatile and have had 39 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 previous big move we wrote about was 3 days ago when the stock dropped 7.9% on the news that the AVGO earnings overhang and the stronger-than-expected jobs report combined to drive one of the broadest global chip selloff of the year.

The damage spread globally: South Korea's Kospi fell 5.5%, with Samsung down 6.4% and SK Hynix nearly 10%. European names followed: ASML fell 3.8% and Infineon lost more than 6%.Broadcom's guidance miss reset expectations for the pace of hyperscaler AI chip spending, removing the sector's most visible growth catalyst. The 172,000-payroll print then eliminated near-term rate cut hopes and introduced rate hike risk by year end per CME FedWatch. Semiconductor valuations, built on aggressive multi-year earnings assumptions, are acutely sensitive to these discount rate movements.

Marvell Technology is up 237% since the beginning of the year, and at $301.33 per share, it is trading close to its 52-week high of $316.43 from June 2026. Investors who bought $1,000 worth of Marvell Technology’s shares 5 years ago would now be looking at an investment worth $5,940.

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