11 Worst Performing Stocks in S&P 500 So Far in 2025

2. Teradyne, Inc. (NASDAQ:TER)

YTD Decline in Share Price: -39.06%

Teradyne, Inc. (NASDAQ:TER) designs and develops automated test equipment and advanced robotics systems. It is one of the worst performing stocks in 2025, with a year-to-date decline of over 39% in its share price.

The company’s shares have tumbled after the management provided an update on its future financial outlook in March. The firm reaffirmed its guidance for Q1 FY24 but cut its forecasts for Q2 and the full year, painting a mixed picture of Teradyne, Inc. (NASDAQ:TER)’s expected performance ahead. The company indicated that it was facing short-term volatility and also highlighted the uncertainties arising from tariffs and trade restrictions, which would impact its results.

Teradyne, Inc. (NASDAQ:TER) stated that it anticipated Q2 revenue to be flat or down up to 10% from the first quarter, whereas for the full year, revenue growth is expected to be between 5% to 10%, compared to a prior expectation of 15%. These were sharp revisions, considering that the company had shared its initial guidance only recently at the end of January.

On April 28, Teradyne, Inc. (NASDAQ:TER) reported a revenue of $686 million for the first quarter, up 14% from last year, driven by steady demand for its semiconductor testing equipment. On a non-GAAP basis, net income was posted at $121.5 million, or $0.75 per diluted share. The company said it expects revenue between $610 million to $680 million for Q2, the midpoint of which is above Wall Street expectations.