Marvell joins S&P 500 a week after KeyBanc upgrade and optics milestone
Marvell Technology starts its first week on the S&P 500 after jumping sharply Thursday. The move followed an analyst upgrade and more signs that AI data center demand for its optical chips remains strong. Shares finished at $310.58 on June 18, up 7.27%. The stock hit an intraday peak near $329.88.