TER Teradyne NASDAQ $302.40 Mar 2026: AI robotics supports upside

The stock closed at $302.40 on Mar 2026 after a strong run tied to demand for AI-enabled robotics and semiconductor test gear. TER stock shows a 3‑month gain of 49.01% and a year-to-date rise of 40.12%, driven by higher wafer and system test orders. Investors are weighing rich valuation metrics against robust revenue growth and improving margins in Teradyne, Inc. (NASDAQ: TER) as the company supplies equipment used in AI chip production and robotic automation.