Marvell Technology Rises to S&P 500 Amid Surging AI Infrastructure Demand

Marvell Technology will join the S&P 500 before markets open on June 22, replacing PoolCorp, after the chipmaker cleared a GAAP profitability milestone in its most recent quarter and over the prior four quarters combined. The announcement helped drive a sharp stock move, with Marvell shares rising about 3.5% in after-hours to $272.78 after closing down 16.7% at $263.47, as investors continued to bet on AI-driven demand for data-center infrastructure. Marvell’s improving results include quarterly EPS and revenue that beat expectations, along with an upbeat outlook for adjusted EPS and revenue in the next quarter. The company is also positioning its fabless networking and custom chip strategy for cloud customers amid competition with larger semiconductor rivals, including expectations that its custom chip business could exceed $10 billion in revenue by fiscal 2029. While the stock’s surge this year has boosted its profile as a potential “next trillion-dollar” company in the AI supply chain, some valuation models flag it as expensive relative to historical norms. Overall, the index inclusion is expected to increase buying from S&P 500-tracking funds and ETFs, further reflecting how AI is reshaping major U.S. equity benchmarks.
Nvidia CEO Jensen Huang publicly singled out Marvell as the “next trillion-dollar company,” tying Marvell’s rise directly to the AI infrastructure buildout rather than just broader chip-market momentum.
Valuation concerns were quantified by GuruFocus: it put Marvell’s GF Value at $108.81 versus a $263.47 share price (about 142.1% overvalued) and flagged a trailing P/E (TTM) of 85.54x versus a 5-year median P/E of 30.57x.
Marvell’s custom-chip business is framed as a hedge against Nvidia’s constraints: the company designs custom chips for cloud data-center needs as “Big Tech looks to reduce reliance on NVIDIA's costly and supply-constrained AI processors.”
At the time of the announcement, one report put Marvell’s market value at $276.81 billion—up sharply alongside the stock’s “more than tripled” performance for the year-to-date period.
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