Coherent is trading at $200.49, down 4.68%, as Friday’s sharp technology sell-off extended into Monday amid semiconductor-sector pressure and concerns about Intel’s weak revenue outlook and the scale and sustainability of AI infrastructure spending. - Semiconductor stocks were down 2.53%. - Northland upgraded Coherent to Outperform, citing the value of scarce AI optics; the positive company-specific news does not explain the current drop.