AI concept stocks welcome heavy good news! Marvell Technology (MRVL.US) and Flex Ltd. (FLEX.US) have been included in the S&P 500 index, and their stock prices rose after hours.

Zhtng Cijng APP learned that on Friday, Standard & Poor's Dow Jones Indices announced the latest quarterly index adjustments. Artificial intelligence (AI) infrastructure concept stock Marvell Technology (MRVL.US) and electronic manufacturing services giant Flex (FLEX.US) will officially be included in the S&P 500 index, replacing swimming pool equipment manufacturer Pool Corp. (POOL.US) and food company Campbell Soup (CPB.US).