Teradyne Inc. Stock Falls 8.8%, Underperforms Peers

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

Shares of Teradyne Inc. shed 8.8% to $404.29 on what proved to be an all-around dismal trading session for the stock market, with the S&P 500 Index falling 0.7% to 7,691.76 and Dow Jones Industrial Average falling 0.2% to 53,343.40.

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

Teradyne Inc. closed 17.1% short of its 52-week high of $487.91, which the company reached on June 30th.

The stock underperformed when compared to some of its peers, as Keysight Technologies Inc. fell 5.6% to $341.00, Fortive Corp. fell 2.0% to $59.45, and Cohu Inc. fell 5.43% to $59.22.

Trading volume totaled 4.3 million, compared to the 50-day average of 4.4 million.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

August 18, 2026 16:33 ET (20:33 GMT)