New York, Feb 3, 2026, 18:39 EST — After-hours

• Teradyne shares climbed in late after-hours trading following the company’s quarterly results and an upbeat forecast for the first quarter.
• Compute and memory testing tied to AI led the charge, with the stock’s back-and-forth underscoring just how closely investors are watching the cycle.
• Attention turns to Wednesday’s open and the latest analyst notes released after the earnings call.

Teradyne shares jumped roughly 13% to $282.98 in after-hours trading Tuesday, following a volatile day where prices swung from $249.54 to $312.14. Around 11.8 million shares traded hands.

The North Reading company reported to investors via Business Wire that fourth-quarter…