[Sandisk to Be Included in the S&P 500 Index, While Strategy Misses Out Again] According to Morningstar, S&P Dow Jones Indices announced on Monday evening that computer storage device manufacturer Sandisk Corp. will officially join the S&P 500 Index on November 28. The company will be moved from the S&P SmallCap 600 Index to the S&P 500 Index, replacing Interpublic Group of Companies Inc. (Ticker: IPG) in the advertising and marketing sector. Additionally, Sandisk has outperformed Bitcoin treasury company Strategy (Ticker: MSTR), which recently qualified for inclusion in the S&P 500 Index. Previously, during the quarterly adjustment in September 2025, Strategy also failed to be included.