On October 1, Teradyne rose 3.02% in regular trading, trading at $413.17/share, with turnover of $127 million, extending the prior session's rebound momentum.

On the news front, Teradyne recently launched the Magnum E2 memory test system targeting DRAM and flash interfaces amid surging AI compute demand. Built on the company's near-DUT test architecture, the system features built-in logic test capability that enables clients to consolidate test insertions and reduce program complexity. Earlier, the company also unveiled three new instruments for its UltraFLEXplus platform designed for AI and data center computing devices. On the partnership front, Teradyne entered a multi-year collaboration with GS Microelectronics to establish a semiconductor testing center covering AI and automotive engineering support, while also signing a strategic cooperation memorandum with Boshuo Technology focusing on assembly automation, test automation, and physical AI solutions.

Within the Semiconductor Equipment sector, the overall rebound remained broad-based. Among individual stocks, Applied Materials up 4.2%, Lam Research up 2.93%, KLA Corporation up 1.5%, AXT Inc up 5.99%, ASML Holding NV down 0.17%.

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