Arista Networks (ANET) shares were trading at $186.72 as of Oct. 28, 2026, with trailing and forward P/E of 55.91 and 33.82, and the stock is up 42.50% year to date versus 43.18% for Cisco Systems and 15.49% for NVIDIA. The article summarizes a bullish thesis, pointing to AI infrastructure demand, steady spending by large cloud providers, and growth in campus networking and routing, and notes the stock pulled back after a strong rally amid valuation concerns. The main risks it lists are a slowdown in AI spending or data center buildouts and competition from InfiniBand and NVLink, which are often sold alongside NVIDIA's graphics processors as integrated solutions. The article says the stock's premium becomes harder to justify if the networking market grows faster than Arista's ability to win profitable orders.
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