Cardio Diagnostics Holdings is trading at $1.86, up 5.08%, with no clear company-specific announcement or overnight catalyst identified for October 22.

  • Shares closed at $1.77 on October 21, after gaining 2.91%.
  • U.S. futures are lower amid AI-spending concerns and renewed Gulf tensions; this negative market backdrop does not explain the stock’s rise.
  • No pre-market volume information was provided, and the reason for the gain remains unclear.