Last Updated: Nov. 24, 2025 at 8:34 p.m. ET
First Published: Nov. 24, 2025 at 6:07 p.m. ET
Sandisk Corp. will join the S&P 500 on Friday, S&P Dow Jones Indices said late Monday.
Shares of Sandisk SNDK, which makes computer-storage devices, rallied more than 7% in the extended session after the news. The company is moving to the S&P 500 SPX from the S&P Small Cap 600 SML, replacing advertising and marketing company Interpublic Group of Companies Inc. IPG.
