Marvell Technology and Flex Join S&P 500 Index

Marvell Technology, with first-quarter revenue surging 28% to $2.

NB
Nolan Begay

June 6, 2026 · 2 min read

Digital cityscape symbolizing the S&P 500 index, highlighting the inclusion of Marvell Technology and Flex Ltd. amidst a backdrop of technological advancement and market growth.

Marvell Technology, with first-quarter revenue surging 28% to $2.42 billion, replaces a household name in the S&P 500, effective June 22. The semiconductor firm joins the benchmark index alongside Flex Ltd. according to Bloomberg. This move marks a strategic shift.

The S&P 500 is often seen as a stable reflection of large U.S. companies. Yet, its latest rebalancing proactively sheds established consumer brands for high-growth technology and manufacturing firms.

This rebalancing shows a sustained market preference for innovation and growth over traditional stability. It fundamentally alters the benchmark's role, likely leading to further shifts as economic trends evolve.

The New Faces and Departures of the S&P 500

  • Marvell Technology and Flex replace Pool Corporation and Campbell's Soup Company in the S&P 500 index, according to CNBC and MarketWatch.
  • Reuters and Barron's focused solely on Marvell Technology's inclusion, overlooking Flex or the replaced companies. This suggests initial reporting prioritized the higher-profile tech addition over the broader industrial shift and the significant removal of two established brands.

The S&P 500 actively sheds slower-growth consumer brands like Campbell's for companies with aggressive revenue expansion. This redefines a "leading American company," prioritizing future-oriented industries over traditional consumer mainstays. The removal of Campbell's, a century-old household name, is counterintuitive. It shows even deeply entrenched brands are not guaranteed a benchmark place if they cannot match emerging tech growth. This holds long-term implications for brand perception and investment strategy.

Performance Driving Index Inclusion

Marvell Technology's first-quarter revenue rose 28% to $2.42 billion, with data center revenue reaching $1.83 billion, according to Startup Fortune. Such exceptional growth, especially in high-demand sectors like data centers, proves critical for inclusion in major market indices.

The S&P 500's pivot embraces advanced technology and manufacturing, not just software. The inclusion of both semiconductor firm Marvell Technology and diversified manufacturer Flex shows this broad focus. Index managers prioritize aggressive growth over traditional stability, fundamentally altering the risk profile for passive investors. The S&P 500 no longer merely reflects the market; it actively shapes investor portfolios towards technology and advanced manufacturing, potentially increasing systemic risk for broad market exposure.

Broader Implications of Index Rebalancing

Do other market indices also see changes?

Index rebalancing extends beyond the S&P 500; Roku, for example, enters the Midcap 400, according to Investor's Business Daily. This suggests a broader recalibration of market benchmarks, likely pushing growth-oriented companies across sectors.