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UBS

May 18, 2026

Diversification Remains Key Amid All-Time Highs

Daily UpdateEquitiesRates Govt BondsCommoditiesInformation TechnologyHealth Care

UBS maintains a positive outlook on US equities driven by AI and secular trends but recommends diversifying into bonds and other regions to manage geopolitical risk and high valuations.

Key Takeaways

  • 1.Investors should rebalance concentrated portfolios toward broader sectors and geographies despite record highs in US equities.
  • 2.UBS expects the Federal Reserve to resume easing toward the end of 2026 as core inflation and wage growth moderate.
  • 3.The Trump-Xi summit outcomes are incrementally positive, including specific commitments for China to buy USD 17bn in US agricultural products annually.

Table of Contents

  • From the studio
  • Thought of the day
  • What to watch: 18 May
  • Diversify equity positions across sectors and geographies
  • Consider bonds, alternatives, and commodities to enhance portfolio resilience
  • Time in the market ultimately beats timing the market
  • Caught our attention
  • Market update
  • Global asset class preferences definitions
  • Appendix

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Authors

Min Lan TanMark Haefele

Securities

SPXBrent CrudeUS 10-Year TreasuryBA

Themes

Portfolio DiversificationUS-China GeopoliticsArtificial Intelligence Secular Trend

Regions

North AmericaAsia PacificEuropeUnited StatesChinaJapan