Financial markets data and information are displayed above an LSEG (London Stock Exchange Group) branded cube inside the LSEG headquarters in Paternoster Square, London, Britain, September 8, 2026. REUTERS/Toby Melville

Financial markets data and information are displayed above an LSEG (London Stock Exchange Group) branded cube inside the LSEG headquarters in Paternoster Square, London, Britain, September 8, 2026. REUTERS/Toby Melville

Toby Melville

Reuters

Nov 6 (Reuters) – Britain’s FTSE 100 was poised to log its steepest fall in over seven months and a weekly decline on Friday as AI jitters following a change in the US political landscape sparked a global selloff.

The blue-chip FTSE 100 index fell 2.2% to 10,540.78 points by 1143 GMT, on track for its worst session since mid-March, while the midcap FTSE 250 slipped 1.2%.

• The Democrats’ capture of the US House and Senate earlier this week sparked concerns of AI regulation, a slowdown in data-centre construction and hyperscalers tightening their purse strings

• The S&P 500 and the Nasdaq marked their sharpest one-day falls since April 2025 on Thursday [.N]

• The jitters spilled over to global markets, with Europe’s STOXX 600 down 1% [MKTS/GLOB]

• Most sectors in London slid, barring precious metal miners that rose 1.2%

• Traditionally defensive sectors such as pharma and personal care, drug and groceries also slid around 3.5% each after two sessions of gains

• “When $2.5 trillion of value is lost from one of the major US stock market indices in a day, it’s understandable that investors are feeling on edge,” said Dan Coatsworth, head of markets at AJ Bell

• Oil prices slipped on Friday, weighing on energy stocks, down 2.5%

• Separately, Lloyds said British house prices fell at the fastest annual pace in a year in October, as higher mortgage costs weighed on demand

• Man Group bottomed the FTSE 250 with a 6.5% drop after Kuwait’s public pension fund on Thursday won a lawsuit against the asset manager

• Georgia’s TBC Bank topped the midcap index with a 6.1% jump after its third-quarter net profit rose

(Reporting by Darshan Kumar and Purvi Agarwal in Bengaluru; Editing by Harikrishnan Nair)

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This story was originally published November 6, 2026 at 4:12 AM.