HydroGraph Clean Power is trading 8.5% down at €2.01, with no clearly reported company-specific announcement explaining the move. - Price history shows a pullback after the September 25 close of €3.00, including a 12.52% decline on September 30. - The company announced a Fractal Graphene Paste presentation at an October 6 industry show; available coverage describes the event but does not link it to the share-price move. - Broader market indices rose on October 6, offering no clear market-direction explanation for the drop.