What Happened?
A number of stocks jumped in the afternoon session after the Nasdaq rebounded, up 1.8%, as Trump's Iran peace deal announcement released the rate pressure that weighed on the sector all week.
Semiconductor stocks trade at elevated multiples on future earnings, making them disproportionately sensitive to interest rates. Oil falling more than 3% and the 10-year Treasury yield dropping to 4.47% released the rate hike pressure that drove the sector's worst week since 2020. The structural AI demand story never broke: Intel's BofA double upgrade to $135 earlier in the day confirmed hyperscalers are placing real production orders at domestic foundries, and AI infrastructure capex commitments remained intact.
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:
- Memory Semiconductors company Western Digital (NASDAQ: WDC) jumped 6%. Is now the time to buy Western Digital? Access our full analysis report here, it’s free.
- Processors and Graphics Chips company Allegro MicroSystems (NASDAQ: ALGM) jumped 5.7%. Is now the time to buy Allegro MicroSystems? 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 54 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 4.5% on the news that the CPI print of 4.2% annual inflation (the hottest since 2023) revived the rate hike narrative.
Markets began to fully price a December Fed rate hike, and semiconductor stocks, which price on earnings years out, reprice faster than most sectors when discount rates move.
The SpaceX IPO added secondary pressure: the company closed investor orders ahead of its debut at a $1.77 trillion valuation, and MSC identified chip names among the holdings facing the largest forced outflows as investors reallocate to fund the listing. Trump's mid-session Iran escalation, pledging to "attack very hard", drove the Dow to session lows, sealing the risk-off tone.
Western Digital is up 178% since the beginning of the year, but at $522.21 per share, it is still trading 12.1% below its 52-week high of $594.11 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 $6,986.
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