Thursday, May 28

S&P Global’s May outlook cut 2026 global real GDP growth to 2.2% from 2.9% in February, a material downward revision that reshapes the macro baseline for markets. The firm also sees additional rate hikes concentrated in Western Europe and expects Dated Brent to stay above US$100/bbl through 2026—an explicit channel for persistent price pressure. UNCTAD’s World Economic Situation and Prospects added a similar downbeat note, projecting world output near 2.7% and flagging constrained fiscal space. Taken together, slower growth plus elevated energy prices tightens the policy trade-off: central banks are less able to loosen, fiscal buffers look thin, and inflation may remain stickier in energy-sensitive economies.

Market coverage described a global tech selloff that ‘deepened overnight,’ with software weakness spilling into chipmakers and broader Big Tech and roughly a trillion dollars of market value lost over seven days. The move was tied to tepid earnings from Alphabet and spreading pressure across the AI/semiconductor complex, with names such as Arm and major chip suppliers singled out. UNCTAD’s commentary that high valuations in AI-related sectors are a risk echoes the selloff’s narrative. For markets, the immediate effect is a re-rating of growth and AI exposure, higher sector volatility, and a testing of concentrated long positions that had driven recent equity gains.

Market observers flagged a Bank of England–European Central Bank ‘double decision day’ expected to leave policy rates unchanged, even as S&P’s outlook anticipates further rate increases in parts of Western Europe. At the same time, Atlantic Council analysis and UNCTAD highlighted the ongoing unwinding of central-bank balance sheets and the consequent shift of financing burdens toward private investors. The net result is sustained policy tightness even where headline rates appear paused: market pricing will remain sensitive to guidance on balance-sheet policy and regional divergence, with implications for curves, credit spreads and FX as investors price a more constrained liquidity backdrop.

The Atlantic Council’s outlook highlighted intensifying trade fragmentation—rising US tariffs, anticipated EU pushback and broader protectionist pressure—that raises costs for global supply chains and blunts multilateral policy responses. That theme aligns with UNCTAD’s warnings about weakening cooperation, limited fiscal space and debt constraints that reduce policy room to absorb shocks. Separately, a market segment referenced the expiration of a US–Russia nuclear pact, a development reported without detailed documentation in the available coverage but one that would escalate strategic uncertainty if confirmed. Policy-driven trade frictions and elevated geopolitical risk increase commodity and policy volatility and complicate investment assumptions about globalisation and supply resilience.