Arista Networks stock jumps on AI demand — but “horrendous” memory costs loom
Arista Networks shares jumped 4.8% to $141.59 Friday after the company forecast higher quarterly revenue and steady margins despite rising memory costs. The company reported a 28.9% year-over-year revenue increase to $2.49 billion and guided for first-quarter revenue of about $2.6 billion. U.S. markets are closed Monday for Presidents Day, with trading set to resume Tuesday.