LYTE.MI is trading at €5.59 (-9.89%) amid a sharp repricing in photonics stocks during a technology and semiconductor selloff. - Investors questioned whether heavy AI infrastructure spending will deliver returns; earnings and guidance from major technology companies heightened those concerns. - The semiconductor index fell 7.2% on October 30. - At the stated 3:07 a.m. EST on November 2, trading had not begun; supplied recent closes end October 29, so this is not a confirmed November 2 closing move.