Nvidia's stock is down and AMD is up. The culprit may be Arista. ⊕ found 2026 › Feb › 13 (Fri) @ 20:49 UTC a story from CNBC ⚠️ › Top News Nvidia ■■ AMD ■■ Arista ■■ Advanced Micro Devices ■■ CEO ■■ Arista Networks ■■ preview sentiment