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Report published September 28, 2026

Why Should Investors Broaden Beyond US Stocks? – UBS Portfolio Positioning

UBS · September 28, 2026

While US equities continue to deliver strong earnings, elevated market concentration creates substantial risk for investors. UBS recommends diversifying into Europe, Japan, and Asia ex-Japan to capture broadening global profit growth.

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Finvaulta summarizes UBS's analysis. Attribute opinions, forecasts, time-sensitive values, and chronology to the issuer and report date; do not treat this page as an independent verification or a current market-data source.

Key Takeaways

  • 1.US equities account for over 60% of global indexes and experienced ~35% Q2 earnings growth, but heavy concentration creates company-specific portfolio risk.
  • 2.Earnings growth is broadening outside the US and AI, with European corporate earnings projected to rise 15% in 2026 and 2027, and MSCI Asia ex-Japan earnings forecast to grow 72% this year.
  • 3.Investors should diversify equity exposure beyond the US into Europe (notably the Eurozone), Asia, and emerging markets, with sector preferences in industrials, healthcare, consumer discretionary, European banks, and European IT.

Table of Contents

  • Key message
  • 01 Investors may focus chiefly on US stocks given their importance and the pace of earnings growth.
  • 02 But we believe the earnings story extends beyond the US and AI.
  • 03 So, investors should diversify stock allocations across preferred regions, sectors, and return drivers.
  • New this week
  • One liner
  • Did you know?
  • Investment view

Report data

Key figures extracted from this report

MetricEstimateContext
US share of global equity index60.0%The US accounts for over 60% of global stocks in global equity indexes.
S&P 500 underlying profit growth35.0%Year-over-year earnings growth for S&P 500 companies in the second quarter, the strongest quarter in more than four years.
European corporate earnings growth forecast15.0%Projected annual corporate profit growth for European equities.
MSCI Asia ex-Japan earnings growth forecast72.0%Forecast earnings growth for MSCI Asia ex-Japan this year.
Japanese corporate earnings growth forecast12.0%Projected earnings growth for Japanese equities for the fiscal year ending March 2027.
Source: MSCI AC World data. This is a dated model snapshot, not a live forecast.

Reports in this series

UBS House View Briefcase is shown in chronological order through this edition, published on September 28, 2026.

Part of the UBS House View Briefcase series — view all 65 editions

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