Teradyne (TER) shares plummeted approximately 13.6% on July 2, 2026. This decline mirrored a widespread downturn across the semiconductor equipment sector. Investor fears that the AI-driven chip boom is cooling drove the sell-off rather than company-specific news.
The Philadelphia Semiconductor Index fell over 7% during the session. Equipment manufacturers including Teradyne and KLA Corporation experienced significant losses. Meta fueled overcapacity concerns by announcing plans to sell spare AI computing power. Analysts also warned of unsustainable infrastructure spending and oversupply in the memory chip market.