Arista Networks is trading at $182.76, up 3.11%, as sector momentum reflects renewed AI enthusiasm. - No clear Arista Networks-specific announcement explaining the October 27 move surfaced. - Bloomberg and Reuters coverage says Anthropic’s IPO filing revived optimism in AI-related stocks and the broader technology trade; investors are also positioning ahead of major technology earnings. - Technology shares were higher during the session; no trading-volume data was provided.