The short version

AI‑related stocks have plunged, wiping trillions from global market values. The fall has hit UK investors hard and may dampen consumer confidence.

What happened

On Thursday US markets opened lower as the Nasdaq fell 4% and the S&P 500 slipped 3%, according to City AM. The drop followed the US mid‑term elections, which raised concerns about future AI infrastructure spending.

Japan’s blue‑chip Nikkei index dropped more than 6% while the South Korean Kospi, a bellwether for AI sentiment, was forced to halt trading because of liquidity worries.

In total, the rout erased trillions of pounds from global stock market valuations, the article says. The loss reflects a broader decline that has been building over the past few months in tech stocks most tied to AI hype.

Individual AI‑linked companies have seen steep falls. Memory‑chip maker Sandisk, which supplies data centres, fell 22% on the day, a move that followed a 45% drop in the previous month‑and‑a‑bit, according to City AM. Other hyperscalers such as Nvidia, Meta, Alphabet and Tesla are also trading well below their start‑of‑year levels.

A weaker “wealth effect”, where lower pension pots and share‑based savings reduce consumer spending, could slow demand for big‑ticket purchases and AI‑driven services.

The background

The rout came after US mid‑term election results suggested a slower rollout of AI infrastructure in America. City AM links the political outcome to investor anxiety over future spending on data centres and related hardware.

The article points out that the recent decline is not a sudden reversal but continues a downward trend that has been visible for several months.

What it means for owners and operators

For business owners, falling AI‑related equities can shrink the value of pension funds and share‑based employee compensation. A lower wealth perception may reduce household spending on products and services that rely on AI, which could impact B2B sales pipelines.

Companies planning to raise capital or issue stock options may find investors more cautious and the cost of capital higher. The volatility also raises the risk of tighter credit conditions for firms that depend on equity financing for AI projects.

Despite the market pain, City AM stresses that AI adoption continues at a rapid pace. The productivity gains from AI are still being realised, meaning firms that have already integrated the technology may retain a competitive edge, while newcomers may face higher entry costs.

The numbers

Nasdaq fall
4%
S&P 500 fall
3%
Nikkei fall
6%
Source: as reported by cityam.com.

What to do in your business tomorrow

  1. Review the exposure of your company’s investment portfolio to AI‑linked stocks and consider diversifying to reduce risk.
  2. Re‑assess any planned AI technology purchases against tighter budgeting and potential ROI under current market conditions.
  3. Update finance and HR teams on how the market move could affect employee stock‑based incentives and pension valuations.

Sources

  • cityam.com: Analysis: AI sell-off leaves markets at a crossroad
  • City A.M.: Analysis: AI sell-off leaves markets at a crossroad