What Happened?

A number of stocks fell in the afternoon session after investors weighed escalating borrowing costs and Federal Reserve remarks emphasizing price stability over rate cut signals. 

Federal Reserve Chairman Kevin Warsh stressed that maintaining price stability remains the central bank's primary mandate, while deliberately avoiding signals regarding the future trajectory of interest rates following an earlier rate hike. The prospect of persistent higher borrowing costs creates significant friction for high-growth sectors, particularly artificial intelligence and semiconductor firms that require substantial capital expenditure to finance advanced chip design, research, and fabrication infrastructure. Higher interest rates also reduce the present value of projected long-term cash flows, prompting investors to reassess rich valuations across technology equities. 

Consequently, market participants adopted a cautious stance, triggering broad-based downward pressure and heightened volatility throughout the chipmaking ecosystem as financing conditions tighten.

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 Entegris (NASDAQ: ENTG) fell 3.2%. Is now the time to buy Entegris? Access our full analysis report here, it’s free.
• Memory Semiconductors company Micron (NASDAQ: MU) fell 3.9%. Is now the time to buy Micron? Access our full analysis report here, it’s free.
• Processors and Graphics Chips company AMD (NASDAQ: AMD) fell 4.1%. Is now the time to buy AMD? Access our full analysis report here, it’s free.
• Semiconductor Manufacturing company Marvell Technology (NASDAQ: MRVL) fell 4%. Is now the time to buy Marvell Technology? Access our full analysis report here, it’s free.
• Memory Semiconductors company Western Digital (NASDAQ: WDC) fell 4.6%. Is now the time to buy Western Digital? Access our full analysis report here, it’s free.

Zooming In On Western Digital (WDC)

Western Digital’s shares are extremely volatile and have had 76 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 1 day ago when the stock dropped 5% on the news that hotter-than-expected inflation data compounded fears that elevated borrowing costs will curb artificial intelligence infrastructure spending. The sell-off followed a Bureau of Labor Statistics release showing September wholesale prices climbed 1.3%, marking a 6.3% annual advance that outpaced the 5.5% projection from economists polled by Dow Jones. Compounding an above-forecast consumer price print from the prior session, the hotter CPI inflation reading drove the 10-year Treasury yield past 5.27%, based on CNBC market data. However, rates cooled off a bit in the pre market session. Higher benchmark rates threaten the debt-heavy funding required to power data center expansion. Yorkville Ives analyst Dan Ives observed in a client note carried by CNBC that while compute demand remains sound, climbing yields directly inflate project financing costs and intensify scrutiny on balance sheets. Semiconductor valuations reflect aggressive, uninterrupted capital spending from cloud hyperscalers. When capital costs stay elevated, the payback timeline on multi-billion-dollar clusters lengthens, raising the hurdle rate for new hardware commitments and delaying order realization across the component supply chain.

Western Digital is up 81.5% since the beginning of the year, but at $340.64 per share, it is still trading 54.4% below its 52-week high of $746.23 from June 2026. Investors who bought $1,000 worth of Western Digital’s shares 5 years ago would now be looking at an investment worth $6,149.

ONE MORE THING: The $21 AI Application Stock Wall Street Forgot. While Wall Street obsesses over who’s building AI, one company is already using it to print money. And nobody’s paying attention.

AI chip stocks trade at ridiculous valuations. This company processes a trillion consumer signals monthly using AI and trades at a third of the price. The gap won’t last. The institutions will figure it out. You need to see this first. Read the FREE Report Before They Notice.