UBS’s Chief Investment Office (CIO) has reaffirmed its overweight stance on artificial intelligence equities, arguing that the sector’s long-term structural growth story remains compelling despite near-term pressure from rising Treasury yields and stretched valuations across the Philadelphia Semiconductor Index (SOX).
In a research note published on 20 May 2026, UBS CIO strategists maintained their conviction that AI infrastructure spending is entering a new phase of enterprise-wide adoption — one that should underpin durable earnings growth for leading semiconductor and hyperscaler stocks well into the next decade.
NVDA Earnings Validate the AI Spending Thesis
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NVIDIA Corporation (NASDAQ: NVDA) — the bellwether of the AI trade — has already delivered its latest quarterly results, further reinforcing UBS’s bull case. The company once again posted strong revenues driven by surging demand for its data centre GPU platforms, with hyperscalers including Microsoft (NASDAQ: MSFT), Alphabet (NASDAQ: GOOGL), and Amazon Web Services (NASDAQ: AMZN) continuing to expand AI compute capacity at pace.
NVDA shares were trading near $219 at the time of the UBS note, having pulled back modestly from recent highs following the post-earnings reaction.
At current levels, the stock trades on a forward P/E of approximately 28x — elevated by historical standards, but UBS argues the premium is justified given Nvidia’s near-monopoly on AI training hardware and its dominant positioning in inference infrastructure through its Blackwell GPU architecture.
Rising Yields and Valuation Risk Remain on the Radar
UBS acknowledged that the macro backdrop presents headwinds. The 10-year US Treasury yield has remained stubbornly elevated, compressing tech sector multiples and spurring rotation out of high-growth names. The Philadelphia Semiconductor Index has underperformed broader equity markets year-to-date, reflecting investor unease over stretched valuations and potential softening in legacy chip demand.
However, UBS CIO stressed that AI-related semiconductor demand is structurally distinct from prior cycles, pointing to firm capex commitments from the world’s largest cloud platforms as evidence of earnings visibility not seen in previous technology upcycles.
Broader AI Equity Basket
Beyond Nvidia, UBS maintains a constructive view on the wider AI equity basket, including AMD (NASDAQ: AMD) and Broadcom (NASDAQ: AVGO), as well as select software names exposed to AI monetisation. The bank’s strategists reiterate that near-term volatility should be treated as an entry opportunity rather than a signal to de-risk ahead of what they see as a multi-year structural growth cycle.
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