On October 9, Teradyne rose 3.87% in regular trading, trading at $413.785/share, with turnover of $64.1317 million.

The rebound comes as the semiconductor equipment sector regained strength after recent valuation-driven weakness. Teradyne's peers broadly advanced, with ASML Holding up 2.95%, Applied Materials up 1.47%, Lam Research up 1.34%, AXT Inc up 2.68%, and KLA Corporation up 1.98%, reflecting improving short-term sentiment across the sector.

Earlier this week, Teradyne announced a production-ready system for its Titan HP platform, enhancing burn-in capabilities and adding reliability stress testing, extending its test portfolio deeper into the AI device supply chain. Despite positive fundamentals, the stock had faced selling pressure in prior sessions alongside the broader sector pullback before today's recovery.

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