Lam Research is trading 3.2% down now at $291.48 on October 14, as semiconductor stocks fall amid reported pressure linked to China’s CXMT advancing a denser memory-chip architecture. - The semiconductor sector is down 2.51%, while major indexes are also lower. - Chip-stock pressure also reflects concerns about AI spending and valuations. - Lam Research is falling with the sector; no new company-specific catalyst was identified.