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Stock Markets March 17, 2026 01:05 PM

U.K. shares rise as telecoms, autos and software lead gains; UK100 up 0.78%

Broad-based advance in London at the close, buoyed by Airtel Africa reaching record highs and strength in banking and investment trusts

By Derek Hwang III

London equities closed higher on Tuesday, with the Investing.com United Kingdom 100 finishing up 0.78%. Gains in the Automobiles & Parts, Mobile Telecommunications and Software & Computer Services sectors powered the advance. Airtel Africa led individual winners, rising to an all-time high, while Standard Chartered and 3I Group also posted strong gains. On the downside, B&M European Value Retail, Imperial Brands and Halma recorded the biggest declines. Market breadth favored advancers over decliners, and commodity and currency markets saw modest moves alongside equity gains.

U.K. shares rise as telecoms, autos and software lead gains; UK100 up 0.78%
III

Key Points

  • Investing.com United Kingdom 100 closed up 0.78%, with Automobiles & Parts, Mobile Telecommunications and Software & Computer Services leading gains.
  • Top individual movers: Airtel Africa (LON:AAF) +5.40% to an all-time high of 378.40; Standard Chartered (LON:STAN) +3.45% to 1,603.50; 3I Group (LON:III) +2.90% to 3,020.00.
  • Market breadth favored advancing issues (1,052 advancers vs. 724 decliners); commodities and FX saw modest moves — gold up, crude and Brent higher, GBP and EUR/GBP largely unchanged.

U.K. equities ended Tuesday's session with a broadly positive tone as sector strength in Automobiles & Parts, Mobile Telecommunications and Software & Computer Services powered gains on the main index.

At the close in London the Investing.com United Kingdom 100 was up 0.78%.

The session's top performers included Airtel Africa Plc (LON:AAF), which climbed 5.40% or 19.40 points to finish at 378.40, marking an all-time high for the stock. Banking and financials saw support from Standard Chartered PLC (LON:STAN), which added 3.45% or 53.50 points to end at 1,603.50. 3I Group PLC (LON:III) also rose, gaining 2.90% or 85.00 points to close at 3,020.00.

Among the names that lagged, B&M European Value Retail SA (LON:BMEB) fell 1.67% or 3.00 points to close at 177.00. Imperial Brands PLC (LON:IMB) declined 1.20% or 39.00 points to finish at 3,215.00, while Halma PLC (LON:HLMA) dropped 1.15% or 44.00 points to 3,794.00.

Market breadth on the London Stock Exchange favored rising issues, with 1,052 stocks advancing versus 724 decliners and 530 left unchanged.

Commodities markets showed modest gains in the session. Gold futures for April delivery increased 0.15% or 7.70 to $5,009.90 a troy ounce. Oil prices climbed noticeably: crude for May delivery rose 2.70% or 2.50 to $94.96 a barrel, while the May Brent contract gained 2.49% or 2.50 to trade at $102.71 a barrel.

In foreign exchange trading, GBP/USD was essentially unchanged at 1.33, registering a 0.21% move, while EUR/GBP was near flat at 0.86, moving 0.01%. The US Dollar Index Futures was down 0.11% at 99.36.

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Note: All prices, percentage moves and counts are reported as of the close in London on the trading day described.

Risks

  • Price reversals among the session's leading sectors could weigh on the overall index - sectors impacted include Automobiles & Parts, Mobile Telecommunications and Software & Computer Services.
  • Declines in individual large-cap stocks that finished lower may exert downward pressure on sector performance - Retail and Consumer Goods (B&M) and Tobacco (Imperial Brands) are among those affected.
  • Volatility in commodity markets, particularly oil, could influence broader market sentiment and sector rotation, impacting energy-linked valuations.

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