A number of stocks fell in the afternoon session after federal prosecutors charged a Super Micro Computer co-founder with conspiring to smuggle billions of dollars in AI chips to China.

The news of federal export control violations triggered a sharp selloff, with Super Micro's shares cratering over 28%. The charges created broader anxiety across the AI semiconductor industry, contributing to declines in other major chip stocks like AMD. This development exacerbated a wider downturn in the tech-heavy Nasdaq, as investors reacted to the serious allegations and the potential for stricter regulations on advanced technology exports.

The stock market overreacts to news, and big price drops can present good opportunities to buy high-quality stocks.

Among others, the following stocks were impacted:

Semiconductor Manufacturing company Teradyne (NASDAQ:TER) fell 3.1%. Is now the time to buy Teradyne? Access our full analysis report here, it’s free.

Memory Semiconductors company Seagate (NASDAQ:STX) fell 3%. Is now the time to buy Seagate? Access our full analysis report here, it’s free.

Teradyne’s shares are extremely volatile and have had 34 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.

The previous big move we wrote about was 4 days ago when the stock gained 4.6% on the news that investor enthusiasm for the artificial intelligence hardware boom, fueled by key company announcements and anticipation for Nvidia's GTC 2026 conference.

The sector experienced a significant uplift as the industry pivoted toward hardware-led innovation. Analysts at Frost & Sullivan have also highlighted that 2026 is expected to feature a shift towards hardware, with next-generation semiconductors enabling faster and more efficient AI processing.

Teradyne is up 40.7% since the beginning of the year, but at $292.00 per share, it is still trading 14.8% below its 52-week high of $342.82 from February 2026. Investors who bought $1,000 worth of Teradyne’s shares 5 years ago would now be looking at an investment worth $2,496.

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