Antofagasta, GB0000456144

Antofagasta stock heads into the open after a 4.7% FTSE gain

Published on 09/10/2026 at 03:24 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 9, 2026, Antofagasta stock finished at 4,081.00 GBX on the London Stock Exchange after a 4.7% rise, outpacing the FTSE 100. Strong copper prices underpinned the move, and the shares go into today’s session with that momentum.

Riesiger Kupfertagebau in der chilenischen Atacama-Wüste mit gelben Schwerlast-Muldenkippern
Fotorealistische Kupfermine in der Atacama-Wüste Chiles zeigt Antofagasta plc GB0000456144 typische Tagebau-Fördertechnik eindrucksvoll, Illustration mit AI erstellt.

Antofagasta stock closed at 4,081.00 GBX on the London Stock Exchange on September 9, 2026, up 4.70% from the prior session. The move came as the shares traded between roughly 3,898.00 GBX and 4,081.00 GBX during the day and ended the session above the 4,000.00 GBX mark.

September 9, 2026 session in numbers

Antofagasta plc (ISIN GB0000456144) was among the strongest performers in London trading on September 9, 2026, as it advanced 4.70% to finish at 4,081.00 GBX at the close, according to Investing.com United Kingdom data for the Investing.com United Kingdom 100 index. The report noted that Antofagasta gained 183.00 points in the session, with the closing price of 4,081.00 GBX putting the shares at the top end of their intraday range.Investing.com At the same close, the broader Investing.com United Kingdom 100 index slipped 0.06%, so Antofagasta outperformed the reference market by more than 4 percentage points in that trading day.

The session followed an ex-dividend date earlier in the month, with market data on the Antofagasta London listing highlighting September 3, 2026 as the latest ex-dividend date for the shares and showing a previous close of 4,081.00 GBX as the comparison point for recent performance, per the Antofagasta quote overview on Yahoo Finance.Yahoo Finance The strong close on September 9, 2026 therefore reinforced the share price’s position near recent highs for that week’s trading range.

Today’s drivers and events

Looking at today, September 10, 2026, investors are watching Antofagasta in the context of elevated copper prices, which have recently supported mining shares such as Antofagasta and Glencore, as highlighted in a United Kingdom stock market preview that named these miners as potential stocks to watch after their gains amid strong copper markets.Sunday Guardian No specific company earnings release or corporate event for Antofagasta is flagged for September 10, 2026 in the latest financial diary entries for United Kingdom-listed companies, but the shares may continue to be sensitive to movements in commodity prices and broader FTSE 100 sentiment through today’s London session.Hargreaves Lansdown

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