What Happened?

A number of stocks jumped in the afternoon session after growing optimism surrounding agentic artificial intelligence and Meta Platforms' Muse application fueled expectations of higher demand for central processing units. 

Reuters reported that Meta's Muse application has highlighted the specialized hardware needed to support these next-generation workflows. While initial generative AI infrastructure prioritized graphics accelerators for model training, agentic frameworks depend heavily on central processing units to coordinate complex operations and manage logic across sequential processes. This shift suggests a broadened demand profile across semiconductor hardware suppliers as autonomous enterprise software capabilities expand.

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:

• Analog Semiconductors company Power Integrations (NASDAQ: POWI) jumped 5%. Is now the time to buy Power Integrations? Access our full analysis report here, it’s free.
• Processors and Graphics Chips company Penguin Solutions (NASDAQ: PENG) jumped 2.8%. Is now the time to buy Penguin Solutions? Access our full analysis report here, it’s free.
• Semiconductor Manufacturing company Photronics (NASDAQ: PLAB) jumped 3.4%. Is now the time to buy Photronics? Access our full analysis report here, it’s free.
• Semiconductor Manufacturing company Amkor (NASDAQ: AMKR) jumped 4.4%. Is now the time to buy Amkor? Access our full analysis report here, it’s free.
• Semiconductor Manufacturing company Teradyne (NASDAQ: TER) jumped 3.9%. Is now the time to buy Teradyne? Access our full analysis report here, it’s free.

Zooming In On Power Integrations (POWI)

Power Integrations’s shares are extremely volatile and have had 40 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 5 days ago when the stock gained 4.6% on the news that Treasury yields retreated below 5% and oil prices declined, sparking a recovery across growth-oriented equities following the Federal Reserve's interest rate increase. The benchmark 10-year Treasury yield dropped to 4.949%, alleviating pressure on borrowing costs and valuation multiples per CNBC. Technology and semiconductor stocks had faced sharp selling in the prior session after the Federal Reserve unanimously raised its benchmark interest rate by 25 basis points to a target range of 3.75% to 4.00%. Lower yields often provide a tailwind for technology companies, whose high-growth valuations are sensitive to the discount rates applied to projected earnings. Additionally, falling energy prices eased worries regarding persistent inflation, helping major stock indices rebound from their post-announcement declines.

Power Integrations is up 38.9% since the beginning of the year, but at $51.82 per share, it is still trading 40.7% below its 52-week high of $87.35 from June 2026. Despite the year-to-date gain, investors who bought $1,000 worth of Power Integrations’s shares 5 years ago would now be looking at only $487.87.

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