ProMIS Neurosciences is trading 12.58% up at $15.03 after no direct catalyst was identified for the September 2, 2026 pre-market move.

  • The September 1 announcement outlined upcoming conferences, investor meetings, and discussions of PMN310 and PRECISE-AD.
  • It disclosed no new clinical, financial, regulatory, or partnership developments.
  • Broader markets were mixed, providing limited support for a macro explanation.