SanDisk (SNDK) Stock on November 29, 2025: S&P 500 Debut, 500% Rally and What Comes Next
SanDisk joined the S&P 500 on Friday, replacing Interpublic Group, with shares closing near $223 after an early 11% surge. The stock is up over 500% since its February spinoff from Western Digital. Institutional investors hold about 96% of the float, and short interest is around 5.5–6%. Analysts debate valuation, noting a high P/E but some models suggest significant upside if cash flow forecasts hold.