Arista's Sharp Pullback Raises Question of Whether Investors Should Buy or Exit
Arista Networks shares dropped about 13% in the week ended Oct. 19 as investors grew worried about financing for AI infrastructure, and they closed at $172.37 on Oct. 23. The company ended fiscal 2025 with $10.7 billion in cash and short-term investments against $90.5 million of debt, while analysts expect adjusted EPS to grow roughly 38% in 2026 and 27% in 2027. Its Nov. 3 earnings report may help investors judge whether the decline is a buying opportunity.
The decline intensified after an unexpectedly high inflation reading on Oct. 14 boosted expectations for further Fed tightening. Higher financing costs weighed on AI infrastructure names, and CoreWeave also sold off. Arista fell 4.5% on Oct. 14, 5% on Oct. 15, and 4.6% on Oct. 16, then closed at $172.37 on Oct. 23.
Fundamentally, Arista finished fiscal 2025 with $10.7 billion in cash and short-term investments versus $90.5 million of debt; cash had more than tripled since 2021. Second-quarter 2026 revenue rose 37.7% to $3.036 billion. Consensus normalized EPS is about $4.12 for 2026 and $5.22 for 2027, while its Oct. 16 forward P/E was roughly 38 versus a five-year average near 36.
The Arista selloff may affect individual investors and retirement savers holding tech-heavy funds, as sharp swings can alter near-term portfolio values. Employees and suppliers tied to AI networking could feel uncertainty if cloud spending slows, while businesses relying on AI infrastructure may face changing equipment costs and availability. The upcoming earnings report could shape confidence in AI-related investment, though its broader social effects are likely indirect.