Financial experts recommend a balanced investment approach for 2026 that combines index funds with exposure to artificial intelligence infrastructure, citing sustained capital spending and earnings growth as key drivers of market opportunity.
BlackRock’s Investment Institute expects another $5 to $8 trillion in AI-related capital expenditures through 2030, according to a December analysis. The major technology companies—Amazon, Microsoft, Alphabet, and Meta—have dramatically increased their annual investment spending from roughly $100 billion in 2023 to more than $300 billion in 2025, signaling the scale of the buildout underway.
For investors seeking broad exposure without picking individual stocks, index funds remain a cornerstone recommendation. Experts highlight that index funds provide instant diversification across hundreds or thousands of securities in a single trade, reducing the risk of betting on any single company. The S&P 500 is projected to continue growing in 2026, with major institutions forecasting double-digit gains, though experts caution that valuations have matured after three consecutive years of strong performance.
Diversification beyond U.S. equities is increasingly important, according to financial advisors. An investment approach that balances growth in U.S. markets with exposure to emerging and developed markets offers stronger risk-adjusted opportunities heading into 2026. International stocks have become more attractively valued after a powerful comeback in 2025, trading roughly 35% cheaper than U.S. stocks on forward price-earnings ratios.
AI infrastructure represents a distinct investment theme. Fidelity managers note that AI accounted for roughly 60% of recent economic growth, with the buildout extending beyond technology companies into utilities, semiconductors, and industrial sectors. Total electricity consumption by U.S. data centers is projected to more than double by 2030, according to the International Energy Agency, creating opportunities in power generation, transmission, and specialized cooling systems.
Experts stress that while AI presents compelling growth potential, the eventual profits must justify the current investment scale. Companies are spending heavily in the belief that highly profitable AI applications will eventually emerge, but the timing and magnitude of those profits remain uncertain. BlackRock notes that AI is still in the investment phase, with monetization of AI itself—making money from AI rather than from its infrastructure buildout—still nascent.
Sources
- BlackRock — AI-related capital expenditure forecasts through 2030 and investment recommendations for 2026
- Fidelity Investments — AI infrastructure buildout details, technology company spending, and electricity demand projections
- Forbes — Index fund selection guidance and international diversification recommendations for 2026
- International Energy Agency — U.S. data center electricity consumption projections
