Why Is Credo (CRDO) Stock Up 6.28% Today, Oct 21? Supermicro Revenue Beat and SpaceX AI Spending Lift Shares

Credo (CRDO) rose 6.28% to close at $182.28 on October 21, 2026, as an AI-capex read-through met a broad rebound in optical and semiconductor shares. This draft examines the daily outlook, principal risks, and technical levels that traders should monitor next.