For a stock already riding the AI data center buildout, this was the quarter that turned momentum into proof. Arista's (ANET) Record Quarter Reignites The AI Networking DebateBull Case: Growth That Keeps Getting FasterWhat stood out wasn't just the beat; it was the trajectory. Analysts had modeled second quarter revenue of $2.83 billion and adjusted EPS of $0.89, so the actual results cleared both comfortably. Profitability moved in the same direction, with non-GAAP operating margin expanding to 49.9% from 48.8% a year earlier and GAAP operating margin rising to 45.4% from 44.7%, even as the company scaled manufacturing to meet demand. The company also kept its target of at least $3.5 billion in AI fabrics revenue for the year and said its Etherlink AI platforms have now passed 100 cumulative customers.