--- title: "U.S. stock night trading volatility: Teradyne fell 3.23% in night trading, with insider selling and analyst rating downgrades raising market concerns" type: "News" locale: "en" url: "https://longbridge.com/en/news/286521045.md" description: "Teradyne fell 3.23% in the after-hours market; Applied Materials fell 2.47%, with a transaction volume of USD 37.74 million; ASML fell 2.05%, with a transaction volume of USD 13.3 million; Lam Research fell 1.59%, with a transaction volume of USD 7.69 million" datetime: "2026-05-15T06:56:47.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286521045.md) - [en](https://longbridge.com/en/news/286521045.md) - [zh-HK](https://longbridge.com/zh-HK/news/286521045.md) --- # U.S. stock night trading volatility: Teradyne fell 3.23% in night trading, with insider selling and analyst rating downgrades raising market concerns **U.S. Stock Night Market Movements** Teradyne fell 3.23% in the night market. Based on recent key news: 1. On May 12, Teradyne's Vice President and General Counsel Ryan E. Driscoll sold 680 shares of common stock at a transaction price of $377.6 per share. This transaction was executed under a 10b5-1 trading plan adopted on February 6, 2026. This sale may raise concerns in the market about insider confidence in the company, thereby affecting the stock price. 2. On May 13, analysts rated Teradyne as a moderate buy, but top analysts believe that five other stocks have more investment value. This may lead to a decrease in investor confidence in Teradyne, affecting stock performance. 3. On May 15, despite Teradyne's annualized return over the past 20 years being 17.22%, outperforming the market, recent market focus on its long-term performance may not offset short-term stock price volatility. The technology sector is experiencing increased volatility, requiring attention to market dynamics. **Stocks with High Trading Volume in the Industry** Applied Materials fell 2.47% in the night market. Based on recent key news: 1. On May 15, Applied Materials announced its Q2 fiscal year 2026 earnings report, with revenue of $7.91 billion and net profit of $2.81 billion, both exceeding market expectations, leading to a 4.5% increase in after-hours stock price. The earnings report indicated strong demand for AI infrastructure, driving growth in the semiconductor equipment business. Source: Financial Associated Press 2. On May 15, Applied Materials raised its revenue growth forecast for the semiconductor equipment business in 2026 to over 30%, up from the previous expectation of 20%. The company expects third-quarter revenue to be $8.95 billion, exceeding analyst expectations. Source: Zhitong Finance 3. On May 15, Citibank raised the target price for Applied Materials to $520, maintaining a buy rating, based on an optimistic outlook for wafer manufacturing equipment demand. Source: Citibank report AI demand drives growth in the semiconductor equipment market. ASML fell 2.05% in the night market. Based on recent news: 1. On May 13, TSMC disclosed its capital expenditure and capacity expansion plans, directly benefiting semiconductor equipment suppliers like ASML, driving order growth. 2. On May 12, Intel and Apple reached a chip foundry agreement worth up to $10 billion, which is expected to significantly boost ASML's equipment demand. 3. On May 14, ASML raised its revenue forecast for 2026 to €36-40 billion, driven by increased demand for lithography systems due to AI investments. The semiconductor equipment sector is driven by AI demand, with a positive long-term outlook. Lam Research fell 1.59% in the night market. Based on recent key news: 1. On May 14, Trump's visit to China raised market expectations for a potential chip-for-rare-earths agreement between the U.S. and China, but Jefferies analysts expressed skepticism, believing that China is more focused on acquiring U.S. wafer manufacturing equipment. This news creates uncertainty in the semiconductor industry, affecting Lam Research's stock price 2. On May 13, the semiconductor industry faced dual pressures from inflation and the Middle East conflict, leading to a decline in overall sector stocks. Qualcomm's stock price plummeted over 11%, and Lam Research was also affected, with its stock price falling. 3. On May 12, MarketBeat analysts did not include Lam Research in their recommended buy list. Although its rating was a moderate buy, the market was more optimistic about other stocks, affecting investor confidence. Semiconductor demand remains strong, while geopolitical risks are increasing ### Related Stocks - [TER.US](https://longbridge.com/en/quote/TER.US.md) - [AMAT.US](https://longbridge.com/en/quote/AMAT.US.md) - [ASML.US](https://longbridge.com/en/quote/ASML.US.md) - [LRCX.US](https://longbridge.com/en/quote/LRCX.US.md) ## Related News & Research - [Teradyne director Marilyn Matz sells 800 shares worth $271,184](https://longbridge.com/en/news/286953775.md) - [Here's How Much $100 Invested In Teradyne 20 Years Ago Would Be Worth Today](https://longbridge.com/en/news/286466208.md) - [If You Can Only Buy 1 AI Stock for the Rest of 2026, Make It This One](https://longbridge.com/en/news/286943708.md) - [WealthPlan Investment Management LLC Makes New Investment in Lam Research Corporation $LRCX](https://longbridge.com/en/news/286763385.md) - [Commerzbank Aktiengesellschaft FI Acquires 5,814 Shares of Lam Research Corporation $LRCX](https://longbridge.com/en/news/286665964.md)