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Big Tech Turns to Debt Markets as AI Infrastructure Spending Nears $700 Billion

Big Tech Turns to Debt Markets as AI Infrastructure Spending Nears $700 Billion
Tech · 2026
Photo · Eleanor Whitfield for Daily Digest Invest
By Eleanor Whitfield Markets Editor-in-Chief Jul 7, 2026 3 min read

Big Tech companies are increasingly turning to debt and equity markets to fund their massive artificial intelligence infrastructure buildouts, with total spending expected to top $700 billion this year. Amazon, Alphabet, and Meta are leading the charge, issuing bonds and tapping new sources of capital to finance data centers and cloud capacity.

The Shift from Cash to Debt

Historically, tech giants like Amazon, Alphabet, and Microsoft have relied on their enormous cash reserves to fund expansion. But the sheer scale of AI infrastructure—from specialized chips to energy-hungry data centers—is forcing even the deepest pockets to seek outside funding. Amazon, for instance, has been a frequent issuer of corporate bonds, while Alphabet and Meta have also turned to debt markets in recent months.

This shift marks a notable change in strategy. Instead of solely using operating cash flow, these companies are now layering on debt to accelerate their AI ambitions. The move comes as investors closely watch capital expenditure plans, with some analysts questioning whether the returns on AI investments will justify the spending.

Bridgewater Warns of a 'More Dangerous Phase'

Bridgewater Associates, the world's largest hedge fund, has cautioned that the AI boom is entering a riskier stage. According to the firm, the race has moved from software development to physical infrastructure, which comes with a steeper cost curve and greater reliance on debt and equity financing.

This transition means that companies are now committing to long-term, capital-intensive projects that may take years to generate returns. If demand for AI services slows or competition erodes pricing power, the debt burden could become a drag on earnings.

What This Means for Investors

For everyday investors, the trend toward debt financing is a double-edged sword. On one hand, it signals that Big Tech is betting big on AI's future, which could drive revenue growth and stock gains. On the other hand, higher debt levels increase financial risk, especially if interest rates remain elevated or the economy slows.

Investors should watch for signs of rising leverage ratios and interest coverage metrics in upcoming earnings reports. Companies that can generate strong cash flow from their AI investments will be better positioned to service their debt, while those that overextend could face pressure.

Bond investors, meanwhile, may find opportunities in tech company debt, which typically offers higher yields than government bonds. However, the risk of credit downgrades exists if spending outpaces revenue growth.

Broader Market Context

The AI infrastructure buildout is not happening in a vacuum. Global bond markets have been volatile amid shifting interest rate expectations, and tech stocks have seen sharp swings as investors reassess valuations. The recent bond market steadiness provides a relatively favorable environment for debt issuance, but any sudden spike in yields could raise borrowing costs.

Infrastructure spending is also a key theme across other sectors. For example, Sumitomo Mitsui Trust's $500 million investment in Morrison highlights the global push for infrastructure, while three giants shortlisted for a €1 billion Italian waste firm show the breadth of capital flowing into physical assets.

Looking Ahead

As AI spending continues to climb, investors will need to monitor how companies balance growth with financial discipline. The next few quarters will reveal whether the debt-fueled expansion pays off or leads to a reckoning. For now, Big Tech is betting that the AI revolution is worth the cost.

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