AMD's market capitalization exceeded $1 trillion for the first time amid a rally in AI-related chip stocks.

What it means

AMD's market capitalization crossed the $1 trillion mark for the first time on September 21, 2026, during a broad rally in AI-related chip stocks. Shares surged more than 9% to a record high near $611 as investors bet on AMD's expanding role in AI computing — its data-center revenue had already jumped 107% year over year in Q2. AMD becomes one of only a handful of companies, alongside Nvidia and others, to reach the trillion-dollar valuation club.

Accuracy & sourcesGrounded

The claim is solid and well-corroborated: multiple major newswires (Reuters, CNBC, MarketWatch) and market-data services reported the intraday $1T market cap on the same day, with consistent figures (shares up ~9%, ~$611.57). Reporting is secondary but sits directly on live market data, and the milestone is not disputed across sources.

How new

Genuinely new — reported on the day it happened, September 21, 2026.

Go deeper

• Channel News Asia — first to publish