Applied Materials is trading 7.46% lower at $81.90 on October 30, 2026, amid semiconductor and equipment-stock weakness as investors reassess AI spending. - Disappointing big-tech earnings and concerns about AI investment profitability are weighing on the sector. - SOXX fell 2.50% in the regular session; industry coverage also cites profit-taking in equipment shares after a strong run. - No new company-specific catalyst was confirmed; Applied Materials’ recent AI-memory optimism does not explain today’s decline.