22d agoThe FlyBULLISH 56Analyst
Archived explainer. For the current picture see today's TER page.
Why Is TERADYNE INC (TER) Stock Down Today?
By the Top Tier Newswire AI Desk · August 21, 2026 at 9:58 AM ET · reviewed against 5 wire stories
TERADYNE INC (TER) is down -3.29% in the latest session. Our newswire has captured 5 stories on TER across 4 sources in the last 36 hours, with AI sentiment reading mixed (avg 48/100).
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Why TER stock is down today
Teradyne Inc (TER) shares fell 3.29% to $370.54 in early trading, reflecting a shift in analyst sentiment and valuation concerns. The stock opened at $383.47 and quickly moved lower, reaching a session low of $368.01 before stabilizing. The decline came after Baird downgraded the stock to Neutral from Outperform, citing concerns about its valuation. The move followed a broader sell-off in AI infrastructure stocks, with Teradyne among the S&P 500’s top decliners on the day.
What Happened
Baird’s downgrade marked a key turning point for the stock. The firm maintained a $420 price target but adjusted its outlook to reflect a more cautious stance. This came amid broader market anxiety over tech valuations and earnings expectations, particularly among AI-related firms. The downgrade added to a week of mixed analyst coverage, including a rare upgrade to Buy from a Seeking Alpha contributor who cited strong growth in chip testing demand. However, the bearish sentiment from Baird and the broader market weighed more heavily in the session.
What The Data Shows
Teradyne’s fundamentals remain strong, with a trailing twelve-month revenue increase of 57.9% and a net margin of 25.8%. However, the stock trades at a high P/E of 52.6 and a beta of 1.79, indicating volatility and sensitivity to market swings. The intraday session showed heavy selling pressure, with volume at 0.2M shares, or 0.1x the 3-month average. The stock is currently trading well below its 52-week high of $487.91 and has seen 17 fresh 52-week lows on August 21. Recent insider transactions also show 11 sells totaling $7.2M in the last 90 days, adding to the bearish signal.
What To Watch
The stock is currently without an imminent earnings date, but coverage breadth and analyst sentiment shifts will be key to watch. Any follow-up from Baird or other major firms could influence the near-term direction of the stock.
AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.
TER by the numbers
Last: $370.54Session: -3.29%Coverage: 5 stories / 4 sourcesAI sentiment: 48/100 (mixed)Mkt cap: $59.4BP/E: 52.652w: $106.30 to $487.91
The headlines behind the move
23d agoThe FlyNEUTRAL 49Analyst
Teradyne downgraded to Neutral from Outperform at Baird
23d agoInvesting.com Analyst RatingsBEARISH 38Analyst
Baird downgrades Teradyne stock rating on valuation concerns
Baird downgrades Teradyne stock rating on valuation concerns
24d agoSeeking AlphaBULLISH 67Analyst
Teradyne: Upgraded Buy As Chips Grow In Volume/Density - Potential Dip Ahead
Teradyne stock outlook: AI-driven chip testing demand boosts WFE/ATE and earnings growth. Read here for a detailed analysis of TER stock.
25d agoYahoo TopBEARISH 32General
Coherent, Teradyne, and Ciena Are the S&P 500’s 3 Biggest Decliners on Tuesday
Three AI infrastructure stocks just shed billions in market cap in a single session, and the reason has less to do with their earnings than with a mounting anxiety about what the biggest names in tech have been quietly hiding from investors.
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More on TER: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.
Earlier TER move explainers: 2026-09-01 · 2026-08-21 · 2026-08-18 · 2026-08-17