MRVL, FLEX Surge Premarket After S&P 500 Addition Announcement
Marvell Technology and Flex will replace exiting companies in the S&P 500 index effective June 24, driving premarket gains. Marvell Technology (MRVL) climbed nearly 8% in premarket trading Monday, while Flex (FLEX) rose 4% following S&P Dow Jones Indices' announcement that