22/10/2026
AI chip makers faltered, US inflation picked up, and UK growth showed unexpected resilience ahead of next week's Budget.
Here is what moved markets this week:
⢠AI & Chip Makers: TSMC reported record Q3 profits up 69%, but shares dropped over 7%. Samsung fell nearly 15% across five days, sitting down over 30% from its June peak. Meanwhile, data centre operators Firmus and AirTrunk paused or delayed planned IPOs, and questions mounted over debt levels across AI neoclouds.
⢠US Inflation & Treasuries: US CPI rose to 3.7% in September, driven by gasoline jumping 34% over the past year. Core inflation ticked up to 2.6%. Despite rate hike expectations rising, Treasury yields ended the week lower as investors sought a haven from tech volatility.
⢠UK Economy & Budget: August GDP grew 0.1%, beating contraction forecasts, while the IMF upgraded 2026 UK growth to 1.3%. However, Brent crude jumping to near $110 a barrel adds immediate pressure for Chancellor John Healey ahead of his inaugural Budget.
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