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AI-generated market briefing from 26 September 2026. It reflects information available at the time and has not been updated retrospectively.

1. Wall Street defies yields as AI lifts stocks again

Friday ended higher: the S&P 500 gained 0.51%, Nasdaq 0.48% and Dow 0.93%. Microsoft rose 3.7% after announcing new Copilot functions, Qualcomm 4% and Dell 5%. Meanwhile, the US 10-year yield remained near 5.16%, having reached 5.23% earlier in the day, its highest level since 2007. Source: Reuters

Why it matters: Equities are showing resilience, but high valuations alongside government bond yields above 5% leave little margin for error. Next week I would watch the 10-year yield, Nasdaq and oil together rather than looking only at equity indices.

2. Swedish small-cap Nanexa surges 122% after Novo Nordisk deal

Sweden’s Nanexa more than doubled on Friday after a global licensing deal with Novo Nordisk worth up to €1.17 billion. Novo may use Nanexa’s PharmaShell technology in up to five programmes, including obesity and type 2 diabetes treatments, with the aim of allowing some medicines to be administered monthly or quarterly. Source: Reuters

Why it matters: The agreement shows how much drugmakers value technology that could improve the next generation of GLP-1 treatments. Its potential size is exceptional for a small Swedish company, although much of the sum depends on future development and sales milestones.

3. Microsoft makes Copilot more agent-like

Microsoft presented new Copilot functions, including a coding tool and an always-on AI agent able to work more independently. Its shares rose 3.7%. Akamai also gained after an $11.6 billion cloud agreement with Anthropic, illustrating continuing flows into AI infrastructure despite interest-rate worries. Source: Reuters

Why it matters: The AI story is moving from chatbots to agents that perform actual tasks. If usage follows the investment, the next important question is how much measurable productivity companies gain from each unit spent on AI.

4. Tesla FSD in Europe delayed; Sweden among sceptics

An anticipated EU vote on Tesla’s supervised Full Self-Driving system will not take place in October. The committee’s next meeting after October is in December, making that the next opportunity under the current agenda. Sweden is among countries expressing concerns, including how the system handles speed limits. Source: Reuters

Why it matters: Europe remains a substantial regulatory bottleneck for Tesla’s software strategy. Each delay pushes back the chance to monetise FSD widely in the EU and therefore matters to a valuation that treats Tesla as more than a car manufacturer.

5. An overlooked signal: bonds are much more nervous than stocks

Oil fell around 3% on Friday on greater hopes of a US–Iran agreement, offering some relief to bond markets. Yet the MOVE index of US bond-market volatility has risen roughly 30% in a week, its biggest weekly gain since the tariff turmoil of April 2025. Source: Reuters

Why it matters: Equity prices suggest optimism while bonds show much greater uncertainty about inflation and rates. That divergence deserves attention: if concern in bonds spills into stocks, moves could become much faster than Friday’s calm rally suggests.