Marvell Technology rises more than 7% premarket on S&P 500 addition
Chipmaker Marvell Technology gained as S&P Dow Jones Indices said it will join the S&P 500 on June 22; Flex shares also rose after being included.
Fact Check
The primary source (S&P Global press release dated 2026-06-05) confirms Marvell Technology and Flex will join the S&P 500 effective June 22, 2026. Reuters confirms Marvell shares rose more than 7% in premarket trading on Monday, June 8, 2026 following the inclusion news, with Flex shares also rising. All elements of the claim are corroborated by authoritative sources.
Summary
Marvell Technology shares rose 8.8% in U.S. premarket trading after S&P Dow Jones Indices announced the company will be added to the S&P 500 on June 22. Flex shares also moved higher after being included. Such additions often draw buying from index-tracking and other passive funds that need to rebalance to match the benchmark.
Terms & Concepts
- S&P 500: A widely followed U.S. stock market index of 500 large companies.
- premarket trading: Stock trading that takes place before regular market hours begin.
- index-tracking funds: Investment funds that seek to mirror a benchmark index and typically buy stocks newly added to it.