Neuroone Medical Technologies is trading at $1.45, up 5.07%, with no confirmed catalyst identified. - No company-specific announcement, filing, earnings release or analyst action was identified for September 23. - The latest relevant news was a September 17 Southern California distribution agreement for its FDA-cleared OneRF system; it appears stale rather than a confirmed overnight catalyst. - On September 22, shares rose 6.15% to $1.38. The S&P 500 was up 0.13% and Nasdaq Composite 0.04%, offering no clear market-wide explanation.