Arista Networks Stock (ANET) News Today: Fortinet AI Data Center Partnership, Morgan Stanley Target Cut, and Wall Street’s 2026 Forecasts
December 17, 2025 — Arista Networks, Inc. (NYSE: ANET) is back in focus for investors on Wednesday as a mix of AI-infrastructure headlines, analyst updates, and technical commentary reshapes the near-term narrative around one of the market’s most closely watched data-center networking names. ANET shares were trading around $122 late Wednesday, down roughly 3% on the session, with the day’s range stretching from the low $121s to the high $127s. Below is what’s driving today’s coverage, what analysts are forecasting into 2026, and why Arista’s fundamentals—especially its AI networking ambitions—remain central to the bull-and-bear debate. ANET stock price today: what