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June 22, 2026

How Can Investors Diversify Their Equity Holdings

Market ReportEquitiesInformation TechnologyHealth Care

UBS advises investors to maintain positive equity exposure while rebalancing highly concentrated tech portfolios into broader, diversified regional and sector positions. Despite strong AI-led market performance, the firm highlights the need for diversification to navigate macroeconomic uncertainty.

Key Takeaways

  • 1.Maintain positive equity outlook driven by earnings, but prioritize diversification due to market concentration.
  • 2.AI sector remains a key driver, with strong demand and constrained supply in compute/memory.
  • 3.Look for broadenings gains outside US megacaps, specifically in Asia, Europe, and defensive sectors like health care and utilities.

Table of Contents

  • Key message
  • We believe AI remains a powerful structural investment opportunity.
  • But we expect future gains to come from a broader range of sectors and regions, beyond the US megacaps.
  • We believe investors should take steps to rebalance concentrated positions.
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Authors

David LefkowitzNadia LovellMatthew GilmanVincent Heaney

Securities

S&P 500MSCI All Country World IndexNikkei 225

Themes

Market ConcentrationArtificial Intelligence

Regions

Asia PacificEuropeUnited StatesJapanIran