European semiconductor equities extended losses on Monday, marking a third straight session of declines as investor concern stemming from Broadcom’s quarterly update continued to ripple through the sector.
Major names in the region registered downmoves of between 1% and 3%. Shares of ASML, ASM International, BE Semiconductor, ams-OSRAM and Siltronic all retreated within that range, adding to heavier losses sustained during the previous trading week.
The initial wave of selling followed Broadcom’s quarterly report, which showed demand for its custom artificial intelligence chips did not meet the elevated expectations held by some investors. The chipmaker also left its fiscal 2027 AI revenue goal unchanged at $100 billion rather than raising it - a decision that disappointed market participants who had anticipated an upward revision in light of momentum in the company’s custom chip business.
The fallout affected chip markets globally. The PHLX semiconductor index plunged 10.3% on Friday, the steepest single-day drop noted in the article and the worst since the market turmoil of March 2020 referenced in the report. Several prominent U.S. chip companies saw sharp declines in market value: Nvidia fell roughly 6%, shedding more than $300 billion in market capitalization, while Micron Technology slid 13%, erasing about $150 billion. Marvell Technology lost 17% and AMD declined nearly 11%.
Market snapshot and contagion
The report illustrates how a high-profile earnings update can prompt rapid re-pricing across related equities. Broadcom’s message on AI-chip demand and its decision not to increase its multiyear revenue target set off heavy selling across both manufacturers of semiconductors and suppliers of equipment and components that serve that industry.
Investors confronted a broad-based pullback, with both individual chipmakers and the sector benchmark showing sizable moves. The transmission of concerns from a single major supplier to a wide swath of companies highlights elevated sensitivity within the semiconductor complex to demand signals tied to AI and data-center spending.
Implications for European firms
European equipment makers and component suppliers experienced downward pressure as the sector-adjusted selling continued. The declines for ASML, ASM International, BE Semiconductor, ams-OSRAM and Siltronic noted in the article were modest in percentage terms relative to the extreme moves recorded in some U.S. names, but they extend a trend of weakening sentiment across the value chain.
As the market digests Broadcom’s commentary, valuations and near-term expectations for companies exposed to AI-related chip demand have been repriced, with the PHLX index’s 10.3% drop serving as a focal point for the scale of investor reaction.
Key market moves cited in the article: Nvidia down roughly 6% (over $300 billion lost), Micron down 13% (around $150 billion lost), Marvell down 17%, AMD down nearly 11%, and the PHLX semiconductor index down 10.3% on Friday.
The article provides a snapshot of a market episode in which guidance and demand signals from a major supplier precipitated a cross-border selloff, affecting both chipmakers and equipment vendors without introducing additional forecasts or speculation beyond the facts reported.