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TER

Teradyne, Inc.

latest move
-10.63%
2026-10-22
24 sessions · 2026-07-01 → 2026-10-22 · avg 13.47% · largest 27.34%

Teradyne designs and sells automated test systems and robotics products, with a Semiconductor Test segment serving automotive, industrial, communications, consumer, smartphone and cloud markets, plus a Robotics segment.

Price history

stitched from the price window carried by each report

Every session it moved

newest first
2026-10-22Neutral
-10.63%24 hours change

Teradyne fell 10.63% to $308.75 on 5.87M shares, likely in a sector sell-off tied to a supply-bottleneck warning through 2027.

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2026-10-13Neutral
-11.63%weekly change

TER fell 11.63% from Oct 6 to Oct 13 with no company-specific trigger; Quiver cites sector weakness and profit-taking on Oct 12.

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2026-10-12Neutral
-13.65%weekly change

Semiconductor sell-off on memory chipmaker worries, including CXMT DRAM progress, cut shares 4.68% on October 12.

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2026-10-02Neutral
+8.00%24 hours change

Shares jumped 8% following key AI memory and optical test product rollouts and strategic expansion announcements.

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2026-09-24Bullish
+13.65%weekly change

Teradyne stock surged following the launch of its Iris 100 optical test system for AI data center optics and MicroLED microdisplays.

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2026-09-23Bullish
+16.91%weekly change

The stock surged following the launch of the Iris 100 platform, a Wall Street Zen upgrade to Buy, and institutional dip-buying.

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2026-09-22Bullish
+15.90%weekly change

The stock surged due to a new partnership with GS Microelectronics and the launch of Universal Robots' Gen 7 physical AI platform.

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2026-09-21Bullish
+15.90%weekly change

The stock surged 15.90% following the Iris 100 optical test platform launch, robotics expansion, and a buy-the-dip oversold rebound.

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2026-09-18Bullish
+5.19%24 hours change

The stock rallied due to institutional dip-buying, AI test expansion in India, and strong demand for its UltraFLEXplus AI platform.

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2026-09-14Bullish
-13.30%24 hours change

Teradyne fell 13.3% due to a sector-wide semiconductor selloff, rising Treasury yields, analyst downgrades, and insider stock sales.

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2026-09-09Bullish
+14.42%weekly change

Teradyne launched new AI test instruments and presented bullish commentary on expanding AI test intensity at a technology conference.

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2026-08-24Bullish
-17.66%weekly change

A Wall Street downgrade, sector profit-taking, executive stock sales, and softer guidance drove a 17.66% weekly stock decline.

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2026-08-18Bullish
-8.77%24 hours change

The stock dropped due to a surge in Treasury yields driving an AI hardware sell-off and minor routine CEO insider selling disclosures.

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2026-08-17Bullish
+5.81%24 hours change

Shares rose following explosive revenue growth at AI lab Anthropic, boosting confidence in AI infrastructure and chip equipment spending.

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2026-08-12Bullish
+6.11%24 hours change

Teradyne stock rose due to a new $1B credit facility, favorable U.S. inflation data triggering a tech rally, and strong AI demand.

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2026-08-04Bullish
+25.86%weekly change

Teradyne stock surged after beating Q2 earnings and guidance estimates, driven by explosive AI demand and analyst upgrades.

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2026-07-30Bullish
+14.43%24 hours change

The stock surged following record Q2 financial results, above-consensus Q3 guidance, and analyst price target increases.

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2026-07-23Bullish
+15.96%weekly change

Teradyne surged due to analyst price target upgrades and aggressive pre-earnings positioning driven by strong AI demand.

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2026-07-21Bullish
+12.07%24 hours change

The stock surged due to analyst price target upgrades, aggressive pre-earnings positioning, and a semiconductor sector rebound.

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2026-07-09Neutral
-15.11%weekly change

The stock fell due to NAND oversupply warnings and reports that SK Hynix is slowing its HBM capacity expansion.

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2026-07-08Bullish
-27.34%weekly change

The stock plummeted due to sector-wide panic over semiconductor capex resets, memory oversupply, and rising interest rate expectations.

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2026-07-07Bullish
-9.59%24 hours change

Shares fell due to memory oversupply fears, AI capex digestion concerns, sector de-rating, and pre-earnings insider position trimming.

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2026-07-02Bullish
-13.63%24 hours change

The stock fell due to a sector-wide selloff triggered by memory oversupply warnings and reports of Apple considering Chinese suppliers.

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2026-07-01Bullish
-11.68%24 hours change

The stock fell due to reports of SK Hynix slowing HBM memory expansion and extending NAND flash oversupply through Q3 2026.

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