🟢 Cardio Diagnostics Holdings is trading 6.38% up in pre-market as cause remains unclear

Cardio Diagnostics Holdings is trading 6.38% up in pre-market at $2.00 on September 29, 2026, with the cause unclear. - This marks a rebound from the September 28 close of $1.89. - Search results show no September 29 company announcement; the latest listed company materials are earlier. - Broad market indicators were only modestly higher and provide no clear explanation for the move.