AMD reportedly rises 2.7% premarket on September 21, 2026
A stock briefing post lists Intel up 5%-plus and Nvidia up 0.8%, attributing semiconductor gains to an agreement on US–China AI talks.
TLDR
A September 21, 2026 stock briefing post reports premarket gains of 2.7% for AMD, 5%-plus for Intel, 2% each for Micron and Marvell, and 0.8% for Nvidia. It attributes the chip rally to Bessent and China's He Lifeng agreeing to an AI dialogue ahead of a Trump–Xi summit planned for that week.