Marvell to Replace Pool Corp in S&P 500, Shares Jump 9.5%
MRVL•Marvell shares jumped 9.5% after S&P Dow Jones announced the company will replace Pool Corp in the S&P 500, effective June 22. The inclusion is forecast to drive substantial passive-fund inflows and underscores investor enthusiasm for Marvell's data-center and AI infrastructure growth, following its 12% rally today.
1. S&P 500 Inclusion Announcement
S&P Dow Jones Indices confirmed that Marvell Technology will replace Pool Corp in the S&P 500, with the change taking effect before markets open on June 22. The move reflects Marvell’s growing market capitalization and positions it among the 500 largest U.S. companies by free-float market value.
2. Stock Price Reaction
Marvell shares spiked nearly 12% in morning trading before settling up 9.5% by the close, marking one of the largest one-day gains in 2026 for the chipmaker. The rally follows heightened investor interest in companies benefitting from artificial intelligence and data-center expansion.
3. Market Implications and AI Demand
Inclusion in the S&P 500 is expected to trigger significant passive-fund purchases, as index-tracking vehicles acquire Marvell stock. This development amplifies enthusiasm around Marvell’s role in AI infrastructure, where demand for its data-center processors and networking solutions has been a key growth driver.
