Marvell Technology Inc. and Flex Ltd. received confirmation from S&P Dow Jones Indices that both will be added to the S&P 500 during the index’s quarterly rebalance later this month. Inclusion places the semiconductor designer and the contract‑manufacturing giant alongside the market’s largest U.S. equities, raising their visibility among passive funds that track the benchmark and investors seeking broad exposure.

Both companies have seen recent earnings beat expectations, with Marvell benefiting from data‑center demand and Flex from diversified manufacturing contracts. Their market capitalizations now exceed the minimum thresholds required for S&P 500 eligibility, prompting index committees to adjust weightings. The move typically triggers inflows from index‑fund managers, which can lift share prices and tighten liquidity for both companies in the short term.

Investors will likely see trading volumes spike as funds rebalance portfolios to meet the new composition. Analysts anticipate modest price appreciation for Marvell Technology and Flex, reflecting the automatic buying pressure. The addition also signals confidence in their growth trajectories, cementing their status as core components of the U.S. equity market for global investors seeking stable benchmarks and diversification today.