Ftse 100 slips in the red as investors ‘brace for further volatility’ amid AI and Trump tariffs ‘jitters’


The Ftse 100 fell into the red this morning as investors braced themselves for heightened stock market swings driven by the US trade tariff policy and artificial intelligence (AI) developments.

Once trading opened, London’s primary stock market index opened lower,, with negative sentiment spreading after Wall Street experienced significant declines overnight.


Despite the cautious mood, Britain’s leading index has demonstrated greater stability than its American counterparts, buoyed by encouraging corporate earnings.

Among the top-performing companies included Croda and ConvaTec, which both delivered better-than-expected results while expressing confidence about future prospects.

Ftse performance and stressed investor

The Ftse has taken a hit amid growing AI concerns

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Market watchers will have their eyes turned to US President Donald Trump’s State of the Union address this evening, where markets hope to gain clarity on tariff intentions.

Despite the Supreme Court striking down the White House’s initial sweeping tariffs, the 10 per cent universal import duties are already active under different legislation, though threats to raise them to 15 per cent remain on the table.

The cybersecurity sector is experiencing significant turbulence as AI-powered tools threaten established players.

Anthropic’s Claude Code Security has sent shockwaves through the industry, with concerns mounting that the technology can readily duplicate services offered by existing providers.

Stock market trader and Nasdaq performanceStock market in freefall after AI sell-off |

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NasdaqThe ‘Magnificent 7 stocks’ —Apple, Microsoft, Amazon, Alphabet, Meta, Nvidia, and Tesla— are the primary drivers of the Nasdaq’s value | GETTY

CrowdStrike shares have tumbled for a second consecutive session, dragging down other cyber firms in its wake. Beyond the immediate market impact, fears are growing about wider economic consequences, particularly the prospect of substantial job losses in a labour market that has already shown signs of softening.

Ordinarily, weakening employment conditions might accelerate interest rate reductions, but persistent inflation complicates that outlook. Oil prices are hovering close to their highest levels in seven months as diplomatic tensions between Washington and Tehran intensify.

FTSE graph and Canary Wharf

The FTSE has plunged this morning

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Susannah Streeter, the chief investment strategist for Wealth Club, said: “Investors are wary as they brace for further volatility sparked by unpredictable US trade policy and the fallout from AI advances.

“London’s FTSE 100 is on the back foot in early trade, with more pessimism seeping through following sharp falls on Wall Street. Jitters over the impact of new artificial‑intelligence‑powered tools on some incumbents are spreading, with the cyber‑security industry now reeling from the effects.

“Developments released by Anthropic have been like a wrecking ball through realms of listed companies, with Claude Code Security still wreaking havoc on cyber firms. CrowdStrike shares fell sharply for a second session, bringing others down with it, amid worries the new tool can easily replicate some of its services.

“The wider economic impact is also a fear factor, given the potential for deep job losses, and labour markets have already been weakening. While this would ordinarily help lift hopes for faster interest rate cuts, sticky inflation won’t make that course of action quite so easy.”

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