Lagarde Warns Europe Could Be Cut Off From AI as Chip Stocks Extend Global Slide

Since Dario Amodei's public call last week for AI developers to slow down frontier-model progress touched off a global selloff in AI-linked stocks, the damage has spread deep into Europe's semiconductor supply chain and pulled the European Central Bank into the argument.

The Selloff Widens

Dutch chipmaking-equipment giant ASML fell about 5.2% Monday, according to Yahoo Finance and EU Today. French materials specialist Soitec dropped roughly 12.6%, Germany's Infineon lost 7.6%, and Dutch equipment maker ASM International sank 8.7%. EU Today reported the broader European technology sector fell around 2%, far worse than the 0.3% dip in the STOXX 600 overall.

The Soitec move stands out because the company had been going the opposite direction less than two weeks earlier. Yahoo Finance reported Soitec upgraded its second-quarter revenue guidance on September 2, pointing to roughly 50% year-on-year growth driven by demand for its Photonics-SOI products used in AI data-center connections, and that news had sent shares up more than 15%. Nothing about Soitec's actual order book changed between then and Monday. What changed was investor confidence in how long the broader AI infrastructure buildout keeps accelerating.

ASML's exposure is more direct. The company told investors in its second-quarter results, cited by EU Today, that AI-driven demand for advanced logic and memory chips was pushing semiconductor manufacturers to expand capacity faster, and ASML had announced plans to boost its EUV lithography capacity roughly 30% by 2027. CNN reported the same pressure hit Asian markets, with SoftBank closing nearly 11% lower in Tokyo and South Korea's Kospi sinking 3.3% on a 6.4% plunge in SK Hynix.

Lagarde's Warning

Speaking in Vienna on Monday, ECB President Christine Lagarde said Europe faces an unprecedented risk of losing access to AI technology it doesn't produce itself, according to Reuters reporting carried by Global Banking and Finance Review and Euronext. "Within a few years (AI) will be screening goods at the border, deciding which tax returns are audited, dispatching trains, watching patients on wards and clearing payments at banks," Lagarde said. "A withdrawal of access, or a change in its terms, would then reach every sector at once."

Lagarde called that "leverage of a kind no trade partner has ever held over Europe," one she said could be used in negotiations over tariffs or digital taxes. She noted Europe's data-center capacity already falls short of its own demand, and the gap is projected to grow more than sixfold within a decade on current trends. Her fix: build more European computing capacity and develop homegrown models "good enough" to run on European infrastructure.

Lagarde also flagged a financial angle largely absent from the U.S. coverage of the AI slowdown story. American tech firms' borrowing needs are so large they're raising debt in European markets, pushing up costs for everyone else, while European pension funds hold heavy exposure to U.S. tech stocks that would take a hit in any correction.

Germany Says No to a Halt

Germany's digital affairs ministry rejected calls to pause AI development outright, Gadgets Now reported Monday, saying a halt "would not be a viable option for Europe" and could undermine the continent's digital sovereignty. Berlin said it is "strictly monitoring" global AI developments and "taking into account the warnings of AI leaders," but argued real regulation requires cooperation between the U.S. and China, not unilateral restraint by European firms that are already behind.

That puts Berlin's position closer to Beijing's than to Amodei's. China's Foreign Ministry has already rejected the slowdown call as a Western framing exercise. Germany isn't defending China's AI buildout, but it is making the same practical point: a continent that isn't a frontier AI producer has little leverage to slow anyone down, and stopping now just cements dependence on Washington.

The Boom Narrative Collides With the Selloff

While European stocks were sliding, Treasury Secretary Scott Bessent was telling a G20 finance ministers gathering in Asheville, North Carolina, that the U.S. is "the AI superpower" and is "pulling away in global compute," according to Breitbart's account of a fireside chat with Fox Business host Larry Kudlow. Bessent pointed to a strong bond market, tax and regulatory certainty, and data centers as "great expansion projects" driving what he called an economic boom not seen in decades.

That framing sits awkwardly next to the Bank for International Settlements' latest quarterly review, cited by CNN, which warned that AI-led momentum in global equities has "wobbled" amid "rising concerns about the future profitability of significant AI investments" and growing leverage among major U.S. tech firms. Both things can be true at once: the U.S. leads in compute, and the debt-fueled buildout behind that lead is exactly what spooked investors from Amsterdam to Seoul on Monday.

The open question is whether Amodei, Sam Altman and Elon Musk's public calls for a development slowdown actually produce coordinated guardrails, or whether competitive pressure between the U.S., China and now a more assertive Europe makes any real pause impossible. Lagarde's speech suggests Europe's answer, for now, is to build its own AI capacity rather than wait to find out.