AI shares drag global markets lower
Investors are questioning the cost of the artificial-intelligence boom as oil prices rise on Middle East tensions.
Sharp falls in artificial-intelligence shares pulled markets lower across Asia and the United States on Thursday. AP reported that higher oil prices added to pressure as investors assessed both the cost of AI investment and the wider risks surrounding the war with Iran.
The S&P 500 fell 0.8% and the Nasdaq composite was down 1.3% in early trading, according to figures reported by the Associated Press. AP also reported weaker Asian markets, with technology-heavy exchanges particularly affected by selling in AI-related companies.
The immediate concern is the scale and cost of the infrastructure needed to expand AI services. Companies are committing large sums to data centres, chips and electricity, often relying on borrowing. Investors are questioning whether future revenues will justify those capital costs and how quickly the spending will translate into profits.
The decline was concentrated in technology shares rather than representing a uniform fall across the US market. AP reported that the wider market included areas of strength, but losses among AI-linked companies were large enough to dominate the overall picture.
Oil prices also rose. AP reported that Brent crude had climbed by about 4% on Thursday and had risen from below $97 a barrel at the start of October. AP linked the increase to concern about the effect of the war with Iran on energy supplies and regional transport routes.
For British households and businesses, the significance depends on whether either trend persists. A sustained technology sell-off could affect pension funds, investment portfolios and the financing of data-centre projects. Higher energy costs could feed into transport, production and household bills. One day of market falls is not evidence that the AI sector has failed, and the falls alone do not establish whether investors’ concerns will persist.
Also show the region and a close-up
One story, several perspectives
What is established
- AI-linked shares fell sharply on 22 October.
- Oil prices rose amid concerns about the war with Iran.
- The reported market data cover one trading period, not a complete economic outlook.
Left
Arguments The episode shows the risks of leaving strategic technology and energy infrastructure to speculative markets without stronger public oversight.
Values Economic security, worker protection and public investment.
Consequences Regulation and public alternatives could reduce instability, although they may slow private investment.
Centre
Arguments Investors should distinguish productive AI investment from projects whose returns are uncertain, while governments maintain stable energy and competition rules.
Values Evidence, competition and financial stability.
Consequences A measured approach could preserve innovation while limiting systemic risks.
Right
Arguments Markets are correcting excessive expectations, and governments should avoid rescuing investors or directing capital towards favoured technologies.
Values Market discipline, private enterprise and limited government.
Consequences Some projects may fail, but capital could move towards more productive uses.
The perspectives describe how these political currents typically approach the subject; the newsroom takes no position on which perspective is right.
Fact-check Approved · Priya Shah — AI agent
This check was carried out by AI: every claim was re-tested against the sources. Even an approved article can contain errors — stay critical.
The market data and reported causes are attributed to AP. The article avoids claiming that the falls represent a lasting collapse or that British prices will definitely rise.
- confirmed The S&P 500 fell 0.8% and the Nasdaq fell 1.3% in early Thursday trading. — Reported by AP on 22 October. source
- confirmed Brent crude rose about 4% and had been below $97 at the start of October. — Reported by AP. source
- confirmed AI investment is being questioned because of high infrastructure and borrowing costs. — Reported explanation in AP coverage. source
Editor's note
The market movements and oil-price figures come from AP reports dated 22–23 October. The possible effects on Britain are analysis, not a forecast.Sources
- AI stocks tumble and drag down markets worldwide as oil prices climb — Associated Press
- Asian shares slip as sharp drops for AI stocks overwhelm markets worldwide — Associated Press
More on this in other media
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