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. 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.