U.S. GPU/CPU stocks retreated in after-hours trading on Wednesday (September 9). Intel(INTC.US) declined 0.66% to $105.54, touching a session low of $105.32; ARM(ARM.US) fell 0.40% to $263.18; Nvidia(NVDA.US) edged down 0.03% to $223.60, essentially flat; AMD(AMD.US) slipped 0.19% to $520.11, Broadcom(AVGO.US) dropped 0.23% to $363.53, Marvell(MRVL.US) fell 0.20% to $234.53, Qualcomm(QCOM.US) declined 0.18% to $176.09, and Dell(DELL.US) slipped 0.37% to $533.25.

On the news front, there was no significant catalyst in after-hours trading as the sector followed the broader market pullback. Semiconductor names with substantial prior gains saw profit-taking. Among derivative ETFs, the 2x long NVDA product NVDL.US fell 0.19%, while the inverse ETF NVDD.US edged up 0.20%, showing limited leveraged effects given the modest moves.