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Central banks' super week: Fed, ECB, BoJ seen holding; Canada may hike Moody’s spares France a downgrade as 10-year yield tops 5% Oil slips from six-month highs as Qatar mediates in Tehran China’s Fifth Plenum opens as AI exports mask weak home demand Lula wins, Brazil markets brace for shock sell-off; Tokyo Brazil ETF plunges ~15% Brazil votes today: Lula faces Flávio Bolsonaro in runoff Fed, ECB, BoJ Rate Decisions This Week: Holds Expected, December in Focus Oil is pricing in the next round of war. Brent tops $116 as Iran tensions drag Wall Street lower Global money is bidding for India's biggest growth stories while leaving India’s index

Central banks' super week: Fed, ECB, BoJ seen holding; Canada may hike Moody’s spares France a downgrade as 10-year yield tops 5% Oil slips from six-month highs as Qatar mediates in Tehran China’s Fifth Plenum opens as AI exports mask weak home demand Lula wins, Brazil markets brace for shock sell-off; Tokyo Brazil ETF plunges ~15% Brazil votes today: Lula faces Flávio Bolsonaro in runoff Fed, ECB, BoJ Rate Decisions This Week: Holds Expected, December in Focus Oil is pricing in the next round of war. Brent tops $116 as Iran tensions drag Wall Street lower Global money is bidding for India's biggest growth stories while leaving India’s index

Intelligence

Power grids, not chips, may be the real bottleneck for AI infrastructure

NextDC crashes 42%, wiping A$3B, as power delays hit AI build-out as they paused expansion due to power grid issues.

Market Signals | 21 October 2026

Power grids, not chips, may be the real bottleneck for AI infrastructure

NextDC crashes 42%, wiping A$3B, as power delays hit AI build-out. Australia’s biggest listed data centre operator cut its outlook and paused expansion. It is a warning that power grids, not chips, may be the real bottleneck for AI infrastructure.

The AI boom just ran into a power pole. Australian data centre operator NextDC fell 41.7% on Wednesday, wiping roughly A$3 billion off its value. It was the stock’s worst day since listing in 2010. The trigger was in Melbourne: power upgrades at its M3 site were suspended amid community opposition, and the electricity distributor, Jemena, doesn’t expect to restart work before February 2027. That forced a deep guidance cut. FY27 net revenue is now expected at A$475–500M, down from A$615–640M, and new projects and land purchases are on hold. The lesson for the wider AI build-out: customers want the capacity, but the grid sets the pace. The board will set out its spending review by its 20 November AGM.