GPU/CPU-related stocks saw muted after-hours trading on Friday (September 11), with most names moving less than 1%. Dell (DELL.US) slipped 0.02% to $567.20 after hours, after surging 11.98% to a high of $567.75 during regular trading to lead the sector. Arm (ARM.US) edged up 0.04% to $264.90 after hours, after climbing as much as 4.17% earlier. AMD (AMD.US) fell 0.11% to $567.20 after hours, after gaining 2.49% in regular session; Nvidia (NVDA.US) dipped 0.05% to $218.19 after hours, after essentially flat regular session; Broadcom (AVGO.US) declined 0.11% to $361.60 after hours, after rising 0.32% earlier.

No company-specific news drove the after-hours moves; the quiet session followed significant regular-session gains as profit-taking set in. Dell's regular-session surge was likely fueled by AI server demand expectations, while Arm extended strength across chip design names. Among leveraged ETFs, NVDL.US edged up 0.07% after hours, while INTW.US gained 0.29%, with limited amplification effects.