FTSE 100 news / Companies and sectors / Antofagasta / 30 September 2026

Antofagasta (ANTO): news on Wednesday 30 September 2026

−7.7 strongly negative

Coverage centred on the threat of a strike by unions at the Centinela copper mine, with a vote due this weekend. The shares also slipped slightly after hours, while high copper prices gave only limited offset.

What drove it

Centinela strike risk
copper price
share price dip

The 4 stories

Each headline's own score, strongest first. Links go to the publisher.

−9.7 Unions at Antofagasta's Centinela copper mine ready for strike Reuters
Strike threat at Centinela mine risks output and costs
−8.3 Could Antofagasta (LSE:ANTO) Stock Feel The Strain As Centinela Unions Vote On A Strike This Weekend? Kalkine Media
Strike vote at Centinela could pressure the shares
−3.3 Copper price holds above $14,400 as Chile strike risk grows Mining.com
Copper price strength offset by Chile strike risk to supply
−2.3 Antofagasta stock after-hours at EUR 42.89: minus 1.15 percent versus prior close AD HOC NEWS
Small after-hours share price dip, little substance

Antofagasta: every day · Mining on 30 September 2026 · FTSE 100 overview for the day