Lam Research is trading 12.26% down at $5.08 on October 15, 2026, amid a broad chip and AI-infrastructure selloff as investors reassess AI spending and worry hotter U.S. inflation could mean higher interest rates. - No company-specific catalyst has been identified. - Coverage also describes weakness across semiconductor stocks and Lam’s extended losing streak; the price context shows the decline continuing a recent downward trend. - Current volume data is not provided.