Fusion Fuel Green is trading up 5.49% in pre-market at $1.92, compared with its October 23 close of $1.82. - The supplied context includes no pre-market volume or activity details. - No clear October 26 company-specific catalyst was found. - The latest widely reported company announcement was an October 22 share-exchange agreement restructuring subsidiary purchase obligations; available coverage does not link it directly to the pre-market move.