Applied Materials is trading 11.79% down at $325.86 on November 5, 2026, amid a sharp semiconductor selloff as investors weigh potential AI data-center regulation and permitting delays after the midterm elections. - Reuters reported weak smartphone-chip sales at Qualcomm added pressure to chip stocks, including Applied Materials. - Shares also fell 3.28% on November 4, extending a recent decline. - No clear company-specific announcement explaining the November 5 move was identified.