• Oct 5, 2026

  $444.53-1.00%

• Oct 2, 2026

  $449.04+8.00%

  Teradyne closed up 8.00%, while the S&P 500 ETF (SPY) rose 0.74% that session, so the move was far larger than the broad market's [2]. Seeking Alpha published a piece noting that Teradyne's Q2 2026 revenue rose 104% year over year on AI-related Semiconductor Test demand [1].

  • 1Seeking Alpha
  • 2Broad market

• Oct 1, 2026

  $415.79+3.71%

  Teradyne closed up 3.71% while the S&P 500 ETF (SPY) rose 0.18% [2]. The move was much larger than the broad-market move and was not shared by it. Seeking Alpha published an analysis of the stock's AI-driven growth, which it described as accompanied by valuation caution [1].

  • 1Seeking Alpha
  • 2Broad market

• Sep 30, 2026

  $400.91-0.52%

• Sep 29, 2026

  $403.02+0.43%

  The Motley Fool reported that a Teradyne director sold 400 shares [1]. Its headline said the stock had soared over 200% in the past year [1]. The shares closed up 0.43% that day.

  • 1The Motley Fool

• Sep 28, 2026

  $401.30+0.73%

• Sep 25, 2026

  $398.38+2.75%

  Shares rose 2.75% in a session when the broad market, as measured by the S&P 500 ETF, gained 0.54%, indicating the move was not shared by the wider market [1].

  • 1Broad market

Closing prices for TER. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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