Teradyne Inc. Stock Falls 10.6%, Underperforms Peers

This article was automatically generated by Dow Jones using technology from Automated Insights.

Shares of Teradyne Inc. tumbled 10.6% to $308.75 on what proved to be an all-around grim trading session for the stock market, with the Dow Jones Industrial Average remaining mostly unchanged at 52,867.98 and the S&P 500 Index falling 1.2% to 7,663.43.

The stock's fall snapped a three-day winning streak.

Teradyne Inc. closed 36.7% below its 52-week high of $487.91, which the company achieved on June 30th.

The stock demonstrated a mixed performance when compared to some of its peers, as Keysight Technologies Inc. fell 8.7% to $311.52, Fortive Corp. rose 2.4% to $60.05, and Cohu Inc. fell 16.33% to $46.26.

Trading volume totaled 5.8 million, compared to the 50-day average of 2.5 million.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

October 22, 2026 16:33 ET (20:33 GMT)