Why Is Marvell (MRVL) Stock Down 10.05% Today, Oct 30? Lumentum Deal Concerns and Tech Selloff Pressure Shares

Marvell Technology (MRVL) fell -10.05% to $196.40 on October 30, 2026, amid takeover uncertainty and renewed concern about AI infrastructure spending. This daily outlook examines the competing explanations, trading risks and technical levels.