Intel Stock Plunges 45% in October as Foundry Business Struggles and PC Market Weakens

Bearish (-0.8)Impact: High

Published on November 2, 2026 (3 hours ago) · By VibeTrader

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Intel experienced its worst month on record in October, with the stock plummeting 45% after a devastating 29% single-day drop on Friday, marking its steepest decline since the 1970s [1]. The collapse was triggered by the company's announcement that quarterly revenue would fall $1-2 billion short of analyst estimates due to continued softening in the PC market, where consumers are increasingly avoiding upgrades amid soaring costs for memory and other components [1]. Despite these headwinds, Intel's data center business showed strength with 78% year-over-year growth in Q3 to $7.3 billion, and CEO Lip-Bu Tan projects the global server CPU market could grow fivefold to approximately $200 billion over the next five years [1].

However, Intel's foundry ambitions—the cornerstone of its long-term strategy after spending half a decade and $108 billion in capital expenditures to challenge Taiwan Semiconductor Manufacturing Company—remain largely unfulfilled [1]. The company still lacks a marquee customer for its most advanced chips and primarily manufactures for its own products [1]. To address capacity constraints affecting industry-wide wafer, substrate, and memory supplies, Intel is redirecting some 18A capacity from its Oregon fabs to produce Intel 3 chips for its data center products [1]. This strategic reallocation underscores the tension between Intel's near-term revenue needs and its long-term foundry aspirations, particularly as the company attempts to capitalize on artificial intelligence opportunities that had previously driven investor optimism following U.S. government and Nvidia investments in 2025 [1].

CONCLUSION

Intel faces a critical inflection point as its foundry business struggles to gain traction while legacy PC revenue deteriorates, resulting in a historic 45% monthly stock decline. The company's capacity reallocation toward near-term data center revenue generation signals pragmatic prioritization of current profitability over advanced chip manufacturing ambitions, though the lack of external foundry customers remains a significant long-term concern.

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Sources: cnbc.com