Nvidia, AMD shares fall as OpenAI revenue report rattles AI investors

What happened

Nvidia, AMD shares fall as OpenAI revenue report rattles AI investors, according to Crypto Briefing. The event highlights the vulnerability of AI infrastructure stocks to customer concentration, impacting chipmaker and cloud valuations significantly. The post Nvidia, AMD shares fall as OpenAI revenue report rattles AI investors appeared first on Crypto Briefing . NVIDIA is a semiconductor company based in Santa Clara, and its products and services include graphics processing units. AMD is an electrical and semiconductor company based in Sunnyvale, and its products and services include graphics processing units.

12, 2026 Nvidia and AMD shares slid on October 8, 2026, after the latest AI news gave investors less to cheer about than they had hoped. The spark was a single number about a company neither chipmaker owns.

A Financial Times report said OpenAI ’s annualized revenue run rate was around $50 billion at the end of September. That sits $20 billion below the $70 billion figure that had been circulating.

The damage, by the numbers Nvidia shares fell approximately 2.9%, landing around $230.60. AMD took a harder hit, declining around 4.55% to approximately $616.48 intraday.

The selling did not stay contained to the two GPU (a chip built for many calculations at once, used for graphics and AI) giants. Oracle shares dropped approximately 4.7–5%, while Broadcom fell around 4.3%. Memory maker Micron also lost about 4.3%.