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

Shares of Teradyne Inc. climbed 12.7% to $246.00 on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index rising 2.3% to 7,549.94 and the Dow Jones Industrial Average rising 2.2% to 52,389.75.

This was the stock's second consecutive day of gains.

Teradyne Inc. closed 49.6% 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. rose 6.2% to $288.97, Fortive Corp. rose 2.6% to $67.10, and Cohu Inc. rose 12.76% to $43.40.

Trading volume totaled 5.3 million, compared to the 50-day average of 3.2 million.

Data source: Dow Jones Market Data, FactSet