Marvell Technology jumps almost 9% in premarket after news it will join the S&P 500 index

Marvell rose in premarket trading after S&P Global said the AI chipmaker would join the S&P 500 on June 22.

# Marvell Technology jumps almost 9% in premarket after news it will join the S&P 500 index Marvell rose in premarket trading after S&P Global said the AI chipmaker would join the S&P 500 on June 22. **Read the full article:** [CNBC](https://www.cnbc.com/2026/06/08/marvell-sp500-index-addition.html) *This article was originally published by CNBC. MoneyWiseInc provides expert curation of the best financial content from trusted sources.*