On September 18, Teradyne rose 3.55% in regular trading, trading at $364.52/share, with turnover of $386 million. The rally was driven by a broad-based surge across chip stocks, with the Philadelphia Semiconductor Index climbing over 3%, sparking a sector-wide wave of buying.

On the news front, semiconductor stocks emerged as the session's standout performers. ARM gained over 8%, Intel rose over 7%, and AMD advanced more than 6%. The enthusiasm extended into semiconductor equipment names, with Lam Research up 5.97%, Applied Materials up 5.62%, AXT Inc up 4.21%, KLA Corporation up 3.57%, and ASML Holding up 1.59%. The broader market also posted solid gains, with the Nasdaq rising 1.69% and the S&P 500 up 1.14%, supported by declining U.S. Treasury yields across all maturities.

Separately, Teradyne recently announced the opening of a new office in Bengaluru, India, aimed at expanding local customer engagement, applications support, and training capabilities. The company's semiconductor test division has been experiencing notable growth, driven by rising demand from artificial intelligence applications.

(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)