Teradyne stock jumps after hours on AI outlook; TER traders turn to Tuesday call
New York, Feb 2, 2026, 21:09 EST — The market has closed. Teradyne, Inc. shares surged over 20% in after-hours trading Monday, following a bullish forecast for Q1 revenue and profit driven by AI-related data-center demand. The chip-test equipment maker projects revenue between $1.15 billion and $1.25 billion, with adjusted earnings ranging from $1.89 to $2.25 per share. These figures outpace Street estimates of $934.5 million and $1.26 per share, based on LSEG data. The stock had closed up 3.6% at $249.53 after Teradyne posted fourth-quarter revenue of $1.08 billion, beating expectations of $973.2 million. Its client roster includes Qualcomm and Texas Instruments.