SentinelOne is trading 4.44% up at $23.51, moving alongside a broader risk-on technology rally on September 21, 2026.

  • The Nasdaq Composite is up 1.28% and the S&P 500 is up 0.74%, supported by lower oil prices, declining Treasury yields, and stronger AI-stock sentiment.
  • No new company-specific announcement or analyst action was identified for September 21; Bernstein’s September 17 downgrade remains a recent overhang.