SanDisk (SNDK) Stock Soars on S&P 500 Debut: Price Action, Outlook and Key Levels on November 28, 2025
SanDisk joined the S&P 500 on Friday, replacing Interpublic Group after its acquisition by Omnicom. Shares traded around $221, up 2.8% from Wednesday, after swinging between $211 and $237 on volume near 8.7 million shares. Call option activity jumped to four times normal levels. The stock has gained sharply since its February spin-off from Western Digital.