On the last trading day of October 2026, Intel plunged 28.6% — its worst day in 40+ years — and the SOX chip index tumbled over 7%, ending AI capex's 'free pass'. Haven demand drove Treasuries higher, with the 10-year heading for its biggest monthly drop in nearly three years; Korea's KOSPI fell 3.5% and triggered a sidecar.

Alphabet's cloud revenue doubled to $30.7bn, yet the stock fell 12.6% - its worst day in 22 years - erasing over $500bn. Capex hit $51.4bn, free cash flow was negative for a second straight quarter, and search ads grew just 12%. The market no longer rewards spending itself; it prices AI capex by the slope of returns. Microsoft's Azure, accelerating to 48%, was spared.

On October 16 the Nasdaq fell 4.48% for its worst week in four months and the Philadelphia Semiconductor Index capped an eighth straight decline, the longest since 2008 — yet US chip output is up nearly 20% year on year. Capital rotated into Dow financials and energy, low-AI European equities and Treasuries as a haven.

On August 24, China's Standardization Administration announced that the international standard proposal "Secondary Lithium-Ion Batteries for Electric Vehicle Propulsion: Application Guide, Test Items

While the industry still frets over GPU shortages, the real bottleneck has quietly shifted to electricity. Multiple research institutions estimate that a single hyperscale AI data center can exceed 1

Generative artificial intelligence and large-model training are pushing global data-center electricity consumption to unprecedented levels. A typical AI training cluster can consume dozens of times mo

Under the 2026 Policy Address and a wave of September HKMA–SFC moves, Hong Kong is accelerating its digital-asset hub: 24/7 on-chain settlement by year-end, a live HKD stablecoin pilot, and world-leading tokenized assets and digital bonds.

September 2026 Super Central Bank Week recap: the Fed's first hike in three years to 3.75%–4.00%, the BOJ at 1.25% (31-year high), the BoE on hold, and the ECB moving first — an energy-shock-driven global tightening reshaping asset allocation.

In the early hours of September 17, 2026 (Beijing time), the Federal Reserve raised its target range by 25bp to 3.75%-4.00% — its first hike since 2023. A hawkish dot plot reset expectations for global equities, bonds, currencies, and commodities.

On October 22 French 5-year CDS broke through 100bp and the 10-year OAT yield rose above the equivalent US Treasury for the first time in 13 years - on the same day the US 10-year fell 18bp to 4.965% on haven buying. Capital is not fleeing duration; it is re-ranking what counts as “safe”. When a core sovereign's fiscal sustainability is questioned, sovereign risk premia replace the policy rate as Europe's anchor.

Fitch expects developed-market government debt to top $75 trillion by year-end, with the top ten economies owing $68.5 trillion, while annual interest on their traded sovereign bonds has passed $3.3 trillion - more than global spending on AI, defence or clean energy individually. With the US 10-year at 5.36%, French yields near 5% and the UK 30-year above 6%, the sovereign rout is turning from a rate problem into a credit problem.

The Fed’s September minutes released on Oct 7 named geopolitics-driven oil prices and the AI investment surge as two new inflation sources; the IMF warned the same day that high oil may last into 2027. With Brent above $102, the 10-year Treasury yield hitting a 2002 high of 5.349%, and gold ETFs posting a record $31bn quarterly inflow, the centre of gravity of inflation is shifting from demand to supply and capex.