Arista Networks is trading 4.66% higher at $166.57 in pre-market amid a broader technology rebound. - Shares are rising after a steep November 5 decline. - Reuters reported Nasdaq futures climbed as chip stocks gained ground after an AI-regulation-driven rout; investors remain concerned about potential limits on AI data-center expansion. - Arista’s November 3 earnings beat and strong fourth-quarter outlook are relevant background, but reporting identifies no new company-specific catalyst for the pre-market rise.