Marvell and Flex, a contract manufacturer for electronics, will join the S&P 500; MRVL jumps 6%+ after hours after closing down 16.74% amid a broader sell-off (Kif Leswing/CNBC)
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- Marvell Technology will be added to the S&P 500 index.
- Flex will also be added to the S&P 500 index.
- Marvell's stock surged over 6% in after‑hours trading after closing down 16.74% earlier in the day.
- Marvell supplies components for AI infrastructure, a sector driving its growth.
Why it matters: Marvell shareholders gain as the S&P 500 inclusion sparks a 6% after‑hours rally, while index funds may rebalance, boosting demand for the stock amid a market sell‑off.
