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UBS Projects S&P 500 to Reach 8,100 by 2026 With AI-Driven Chip Boom Fueling Gains

The bank ties its bullish index call to strong earnings led by semiconductors while warning that heavy AI capital spending could squeeze margins if returns fade after 2027.

Overview

  • UBS’s Global Wealth Management research sets a year-end 2026 S&P 500 target of 8,100 and a 2027 target of 8,900 based on outsized profit growth.
  • The forecast rests on sharply higher earnings estimates, including roughly 28% EPS growth in Q2 2026 and about 20% full-year EPS growth for 2026.
  • UBS expects the Philadelphia Semiconductor Index to post 92% earnings growth in 2026 and 40% in 2027, with chips supplying more than 40% of S&P 500 earnings growth.
  • The bank flags a key risk that AI-related capital expenditures, which underwrite the rally, have unclear returns beyond 2027 and could put pressure on corporate profit margins.
  • UBS also sees about 10% upside for the MSCI All Country World Index and large regional swings in earnings that investors should watch for signs of concentration or base effects.