Why Micron (MU) fell 2.14%
Micron (MU) fell 2.14% on October 29, 2026 — Samsung profit miss drags AI memory names lower.
What happened
Micron fell 2.1% in the AI Memory selloff, after Samsung's profit miss and lighter capex from Microsoft and Alphabet hit chip stocks including Intel, AMD and Broadcom.
Why it moved
Memory names share the same AI-server demand and pricing read-through, so weaker Big Tech capex and Samsung's miss repriced the whole group lower, and Micron moved with it.
Why it matters
Micron anchors the AI Memory theme, where HBM and DRAM demand from AI servers lifted memory prices for months. That squeeze is stalling, so a capex pullback directly challenges the group's pricing-power thesis.
What would break the thesis
If hyperscaler capex guidance holds and memory pricing stays firm, the selloff should prove a sentiment dip rather than a demand break.