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Intel Shares Plunge as 18A Yield Delays Undermine Foundry Comeback

Delayed 18A yields may push Intel's foundry past its break-even timeline, prompting a reassessment of the company's valuation.

Overview

  • Intel's stock has dropped roughly 21% to about $110 after industry reports said 18A yields may not reach profitable levels until late 2026 or 2027.
  • Reports of weak 18A yields matter because unusable chips translate into wasted wafer cost, which directly lowers revenue and squeezes manufacturing margins.
  • Intel's foundry remains small and loss-making, generating under $200 million of external customer revenue in the first quarter of 2026 and posting a steep operating loss.
  • AMD overtook Intel in data-center revenue in Q1 2026, reporting $5.8 billion versus Intel's $5.1 billion, a gap driven in part by AMD's Instinct AI accelerators and higher-priced chips.
  • Investors will watch upcoming company updates for clear 18A yield timelines, customer commitments and signs that Intel can restore a path to foundry profitability because delays worsen cash flow pressure and strengthen rivals' positions.