Marvell rises as chip peers drop, Wall Street eyes index move
Marvell jumped 4.9% to $316.43, defying a chip selloff, as traders bet on S&P 500 inclusion and Nvidia-linked AI demand; the stock later slipped to $305.18 after hours, with volume more than double average, as investors await Friday’s S&P announcement and weigh risks of high expectations and index flows.