On August 18, Aehr Test declined 8.41% in regular trading, trading at 131.38 USD/share, with turnover of approximately $101 million. The stock had surged to an intraday high of $146.6 in the morning session before reversing sharply lower.

The semiconductor equipment sector experienced broad-based selling pressure in the afternoon session, amplifying the decline in individual stocks. Among peers, Lam Research fell 6.72%, AXT Inc dropped 6.58%, Applied Materials declined 5.78%, ASML Holding lost 4.6%, and KLA Corporation slid 4.15%. The sector-wide weakness came after a strong prior run fueled by upbeat WFE spending forecasts and AI-driven demand catalysts.

Additionally, multiple insider transactions disclosed recently have weighed on short-term sentiment. Senior executive Alistair Sporck sold shares on August 4 and August 10, while director Howard Slayen sold 20,000 shares worth approximately $2.17 million on August 4. The concentrated insider disposals added to profit-taking pressure following the stock's substantial rally from mid-July levels near $65 to recent highs above $145.

(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.)