SNDK is trading 7.1% up at $1,584.13 after being slated for inclusion in the Russell 1000 Growth Index, shifting from the Russell 1000 Value Index.

  • This style reclassification follows a more than 500% year-to-date surge driven by AI-related demand for NAND flash and enterprise storage.
  • The transition is attracting additional institutional and index-tracking flows, while broader U.S. market gains support risk-on sentiment in large-cap tech stocks.