Shares of Teradyne surged 5.41% in the after-hours session, as the company reported second-quarter results that handily beat Wall Street expectations.

The semiconductor test equipment maker posted quarterly revenue of $1.329 billion, well above the consensus estimate of $1.223 billion. Adjusted net income reached $389 million, exceeding the $322.4 million estimate. Earnings per share came in at $2.38, significantly higher than the $2.09 analysts had forecast.

The robust beat on both the top and bottom lines drove the after-hours rally, with investors reacting positively to the stronger-than-anticipated financial performance.