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Global stocks tumble as AI panic grips markets after Democrats’ midterm success – business live
Global shares fell sharply as investors worried that Democrats’ success in the US midterm elections could bring tighter scrutiny of data centres and slow the expansion of artificial intelligence. The sell-off highlights how political uncertainty is adding to existing concerns about high technology valuations and the sustainability of AI-related investment.
More than $3.2tn was wiped from the US stock market in one day: the Nasdaq fell 5.5%, the S&P 500 dropped 4.36% and the Dow lost 3.44%. Asian markets also slumped, with South Korea’s KOSPI down 6.7%, Japan’s Nikkei nearly 6% and Taiwan’s TAIEX 4.5%; chipmakers were among the hardest hit, including SanDisk, down 22%, and Micron and AMD, each down 17%. Investors were also awaiting US jobs and consumer confidence reports, while analysts cited weaker-than-expected results from major technology firms and signs of slower AI spending.
In short
- More than $3.2tn was erased from US stocks.
- Asian markets slid as technology shares sold off.
- Investors weighed AI policy risks and weaker earnings.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
Democrats’ midterm success could give elected officials a stronger mandate to scrutinise data centres, including their energy use and local impact. Supporters of tighter oversight may argue that setting safeguards now would make AI’s expansion more accountable and sustainable, even if it slows investment in the short term.
The case against
Investors and technology companies may argue that tighter scrutiny risks delaying data-centre projects and weakening US competitiveness in a fast-moving global industry. They may also contend that the sharp sell-off reflects several pressures, including high valuations and signs of slower AI spending, so attributing it chiefly to election-driven uncertainty could overstate that factor.
Explained simply
Artificial intelligence (AI) systems need powerful computer chips and large data centres, which use substantial amounts of electricity and land. Major technology companies have invested heavily in building this infrastructure, and their shares have risen on expectations that demand for AI will keep growing.
Democrats’ success in the US midterm elections has raised questions about whether political scrutiny of data centres could increase. Investors are also weighing whether AI-related spending and high technology share valuations can be sustained. These concerns matter because technology companies and chipmakers are a significant part of stock markets, and changes in their share prices can affect markets globally.
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