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BHP Stock Falls 4.7% as AI Stocks Sell Off

ABC News (Australia)1 min read4 sources

Why is BHP stock down today?

BHP (BHP.AX) stock fell 4.7% on Thursday as an AI stock selloff hit the copper miner, which investors use as a proxy for the AI trade.

Key numbers

BHP daily move (one report says -4.6% to A$58.04)-4.7%Thursday ASX session
NEXTDCA$8.86-7.4%; -14.6% vs last Friday
MegaportA$15.64-10.1%
Copper (per [2])US$6.67/lb-1.6%
CoreWeave (US-listed)~15% dropDebt-load worries
S&P/ASX 2008,719.7-0.09%

What happened

BHP (BHP.AX) stock fell 4.7% on Thursday as an AI stock selloff hit the copper miner, which investors use as a proxy for the AI trade. Copper is used to build the data centres that power AI, so less excitement about AI means traders expect less demand for the metal. Data-centre companies NEXTDC and Megaport dropped 7.4% and 10.1%, after US AI cloud firm CoreWeave slumped about 15%. Copper fell 1.6%, and Australia's whole mining sector lost almost 4%.

Why it matters

BHP is the world's biggest miner, so its 4.7% drop shows the AI boom reaching well beyond tech into mining and commodities. When excitement about AI cools, shares tied to data centres and to the metals they use can fall together. Hotter-than-expected US inflation of 3.7% added to the pressure on shares this week.

Who this affects

Marketmixed
Medium impact
Miners and tech fell; banks kept the ASX 200 steady.
Companybearish
Medium impact
BHP shareholders lost 4.7% of value in one day.
Competitorsbearish
Medium impact
Rio Tinto fell similarly; Sandfire and Capstone lost 5-6%.
Industrybearish
Medium impact
Data-centre firms NEXTDC and Megaport fell sharply.

BHP vs Rio Tinto, NEXTDC, Megaport

BHPBHP:ASX-4.7%—
Rio TintoRIO:ASX-4.7%—
NEXTDCNXT:ASX-7.4%8.86
MegaportMP1:ASX-10.1%15.64

As of 2026-10-15

How we got here

  1. NEXTDC closed at A$10.37 on Friday, before this week's slide.

  2. CoreWeave slumped about 15% in US trading on debt worries, hitting AI-linked shares.

  3. BHP fell 4.7% and ASX materials sank almost 4%, lowest since 21 July.

What to watch

  • Whether AI-linked shares such as CoreWeave and NEXTDC keep falling2026-10-16
  • Whether copper extends its 1.6% drop from US$6.67 per pound2026-10-16

Educational content only. Not investment advice.

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