By Lockridge Okoth
Publication Date: 2026-09-21 19:18:00
Advanced Micro Devices (AMD) touched a $1 trillion market value for the first time on Monday, peaking at $615.99 a share before easing back below that line.
The stock last traded at $609.65, up over 8%, for a market capitalization of $995 billion. Nvidia gained 2.33% over the same session.
AMD Passed a Milestone Intel Could Not
Intel actually climbed further, rising 12.03% to $121.67. Arm Holdings gained 15.47%. Neither came near the line. Intel is worth $639.32 billion, Arm $339.93 billion.
The milestone, not the size of the move, made AMD the story. It becomes the fourth US chipmaker valued above $1 trillion, after Nvidia, Broadcom and Micron.
3 Reasons Nvidia Sat Out the Rally
The first is what investors were buying. Meta’s consumer AI agent Muse reached the top of Apple’s US App Store, and traders read that uptake as proof that answering live user requests, a process called inference, will need far more central processing units (CPUs) working alongside graphics chips. Intel chief executive Lip-Bu Tan described the squeeze at the Splunk conference in Denver last week.
“CPU demand is so high that we can only supply 50% of customers,” said Lip-Bu Tan, chief executive at Intel.
Nvidia sells mainly graphics processors, so money chasing CPU suppliers routed around it.
The second is company-specific. TrendForce reported on…
